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25512313002412 = 2223934976465673
BaseRepresentation
bin1011100110100000011000…
…10110101001100110101100
310100022221201221212200020211
411303100030112221212230
511320443204112034122
6130132110024152204
75242126620322555
oct563201426514654
9110287657780224
1025512313002412
118146790648a45
122a4055a008664
131130a5445b6c2
14642b3424132c
152e3979187877
hex17340c5a99ac

25512313002412 has 24 divisors (see below), whose sum is σ = 44961816312000. Its totient is φ = 12666385635456.

The previous prime is 25512313002409. The next prime is 25512313002439. The reversal of 25512313002412 is 21420031321552.

It is a happy number.

It is a super-2 number, since 2×255123130024122 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37899193 + ... + 38566480.

It is an arithmetic number, because the mean of its divisors is an integer number (1873409013000).

Almost surely, 225512313002412 is an apocalyptic number.

It is an amenable number.

25512313002412 is a deficient number, since it is larger than the sum of its proper divisors (19449503309588).

25512313002412 is a wasteful number, since it uses less digits than its factorization.

25512313002412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76466265 (or 76466263 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 25512313002412 its reverse (21420031321552), we get a palindrome (46932344323964).

The spelling of 25512313002412 in words is "twenty-five trillion, five hundred twelve billion, three hundred thirteen million, two thousand, four hundred twelve".

Divisors: 1 2 4 239 349 478 698 956 1396 83411 166822 333644 76465673 152931346 305862692 18275295847 26686519877 36550591694 53373039754 73101183388 106746079508 6378078250603 12756156501206 25512313002412