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12289876398902 = 251244311991457
BaseRepresentation
bin1011001011010111010110…
…1101111001001100110110
31121111220022121122220120202
42302311311231321030312
53102324131324231102
642045520303200502
72405625410523014
oct262656555711466
947456277586522
1012289876398902
113a0911a915823
121465a3a8a6132
136b1c13045c8b
14306b943c58b4
15164a4b958e02
hexb2d75b79336

12289876398902 has 8 divisors (see below), whose sum is σ = 18434852110056. Its totient is φ = 6144925695552.

The previous prime is 12289876398893. The next prime is 12289876398931. The reversal of 12289876398902 is 20989367898221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12289876398902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4970843 + ... + 7020614.

It is an arithmetic number, because the mean of its divisors is an integer number (2304356513757).

Almost surely, 212289876398902 is an apocalyptic number.

12289876398902 is a deficient number, since it is larger than the sum of its proper divisors (6144975711154).

12289876398902 is a wasteful number, since it uses less digits than its factorization.

12289876398902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12503902.

The product of its (nonzero) digits is 376233984, while the sum is 74.

The spelling of 12289876398902 in words is "twelve trillion, two hundred eighty-nine billion, eight hundred seventy-six million, three hundred ninety-eight thousand, nine hundred two".

Divisors: 1 2 512443 1024886 11991457 23982914 6144938199451 12289876398902