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11031442000 = 24535515721
BaseRepresentation
bin10100100011000011…
…00111001001010000
31001110210121022112221
422101201213021100
5140043022121000
65022350030424
7540240465325
oct122141471120
931423538487
1011031442000
114750a63717
12217a4a8414
13106a5b5a97
14769136b4c
1544870061a
hex291867250

11031442000 has 40 divisors (see below), whose sum is σ = 26674031592. Its totient is φ = 4412576000.

The previous prime is 11031441973. The next prime is 11031442003. The reversal of 11031442000 is 24413011.

It can be written as a sum of positive squares in 4 ways, for example, as 3422718016 + 7608723984 = 58504^2 + 87228^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031442003) 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, 2755861 + ... + 2759860.

Almost surely, 211031442000 is an apocalyptic number.

11031442000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031442000 is an abundant number, since it is smaller than the sum of its proper divisors (15642589592).

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

11031442000 is an equidigital number, since it uses as much as digits as its factorization.

11031442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515744 (or 5515728 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11031442000 its reverse (24413011), we get a palindrome (11055855011).

The spelling of 11031442000 in words is "eleven billion, thirty-one million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 5515721 11031442 22062884 27578605 44125768 55157210 88251536 110314420 137893025 220628840 275786050 441257680 551572100 689465125 1103144200 1378930250 2206288400 2757860500 5515721000 11031442000