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1144536680 = 23574087631
BaseRepresentation
bin100010000111000…
…0011111001101000
32221202122111011102
41010032003321220
54321000133210
6305323220532
740235254430
oct10416037150
92852574142
101144536680
11538074391
1227b377748
13153175451
14ac0132c0
156a731ea5
hex44383e68

1144536680 has 32 divisors (see below), whose sum is σ = 2943095040. Its totient is φ = 392412480.

The previous prime is 1144536677. The next prime is 1144536683. The reversal of 1144536680 is 866354411.

It is an interprime number because it is at equal distance from previous prime (1144536677) and next prime (1144536683).

It is not an unprimeable number, because it can be changed into a prime (1144536683) 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 7 ways as a sum of consecutive naturals, for example, 2043536 + ... + 2044095.

It is an arithmetic number, because the mean of its divisors is an integer number (91971720).

Almost surely, 21144536680 is an apocalyptic number.

1144536680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144536680 is an abundant number, since it is smaller than the sum of its proper divisors (1798558360).

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

1144536680 is a wasteful number, since it uses less digits than its factorization.

1144536680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087649 (or 4087645 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1144536680 is about 33831.0017587419. The cubic root of 1144536680 is about 1046.0278281187.

It can be divided in two parts, 1144 and 536680, that added together give a 5-th power (537824 = 145).

The spelling of 1144536680 in words is "one billion, one hundred forty-four million, five hundred thirty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 4087631 8175262 16350524 20438155 28613417 32701048 40876310 57226834 81752620 114453668 143067085 163505240 228907336 286134170 572268340 1144536680