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45441442000 = 2453178915017
BaseRepresentation
bin101010010100100001…
…010110000011010000
311100021220002102122101
4222110201112003100
51221031002121000
632513035450144
73166036612123
oct522441260320
9140256072571
1045441442000
11182a9566a49
1289822b6954
134392502726
1422b11403ba
1512ae58ae6a
hexa948560d0

45441442000 has 160 divisors (see below), whose sum is σ = 117655817760. Its totient is φ = 16914022400.

The previous prime is 45441441989. The next prime is 45441442001. The reversal of 45441442000 is 24414454.

It can be written as a sum of positive squares in 16 ways, for example, as 36030113856 + 9411328144 = 189816^2 + 97012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45441442000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45441442001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3018492 + ... + 3033508.

It is an arithmetic number, because the mean of its divisors is an integer number (735348861).

Almost surely, 245441442000 is an apocalyptic number.

45441442000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45441442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58827908880).

45441442000 is an abundant number, since it is smaller than the sum of its proper divisors (72214375760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45441442000 is a wasteful number, since it uses less digits than its factorization.

45441442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15146 (or 15130 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 45441442000 its reverse (24414454), we get a palindrome (45465856454).

The spelling of 45441442000 in words is "forty-five billion, four hundred forty-one million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 89 100 125 136 170 178 200 250 272 340 356 400 425 445 500 680 712 850 890 1000 1360 1424 1513 1700 1780 2000 2125 2225 3026 3400 3560 4250 4450 6052 6800 7120 7565 8500 8900 11125 12104 15017 15130 17000 17800 22250 24208 30034 30260 34000 35600 37825 44500 60068 60520 75085 75650 89000 120136 121040 150170 151300 178000 189125 240272 255289 300340 302600 375425 378250 510578 600680 605200 750850 756500 1021156 1201360 1276445 1336513 1501700 1513000 1877125 2042312 2552890 2673026 3003400 3026000 3754250 4084624 5105780 5346052 6006800 6382225 6682565 7508500 10211560 10692104 12764450 13365130 15017000 20423120 21384208 22720721 25528900 26730260 30034000 31911125 33412825 45441442 51057800 53460520 63822250 66825650 90882884 102115600 106921040 113603605 127644500 133651300 167064125 181765768 227207210 255289000 267302600 334128250 363531536 454414420 510578000 534605200 568018025 668256500 908828840 1136036050 1336513000 1817657680 2272072100 2673026000 2840090125 4544144200 5680180250 9088288400 11360360500 22720721000 45441442000