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12400963288 = 237221445773
BaseRepresentation
bin10111000110010011…
…11010111011011000
31012000020121012120121
423203021322323120
5200344121311123
65410311403024
7616210306630
oct134311727330
935006535517
1012400963288
11529402529a
1224a1083474
1312282526cc
14858d936c0
154c8a7475d
hex2e327aed8

12400963288 has 16 divisors (see below), whose sum is σ = 26573492880. Its totient is φ = 5314698528.

The previous prime is 12400963273. The next prime is 12400963297. The reversal of 12400963288 is 88236900421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110722831 + ... + 110722942.

It is an arithmetic number, because the mean of its divisors is an integer number (1660843305).

Almost surely, 212400963288 is an apocalyptic number.

It is an amenable number.

12400963288 is an abundant number, since it is smaller than the sum of its proper divisors (14172529592).

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

12400963288 is a wasteful number, since it uses less digits than its factorization.

12400963288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221445786 (or 221445782 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 12400963288 in words is "twelve billion, four hundred million, nine hundred sixty-three thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 221445773 442891546 885783092 1550120411 1771566184 3100240822 6200481644 12400963288