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25678108492112 = 2414471109109731
BaseRepresentation
bin1011101011010101001101…
…00010010000000101010000
310100220210200112100012112102
411311222212202100011100
511331202231233221422
6130340205445015532
75260116315613316
oct565524642200520
9110823615305472
1025678108492112
11820002a8a930a
122a6870a6b45a8
1311435872bab6b
1464ab8172a0b6
152e7e2e812192
hex175aa6890150

25678108492112 has 20 divisors (see below), whose sum is σ = 49785717650016. Its totient is φ = 12830181356640.

The previous prime is 25678108492109. The next prime is 25678108492181. The reversal of 25678108492112 is 21129480187652.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 554531714 + ... + 554578017.

Almost surely, 225678108492112 is an apocalyptic number.

It is an amenable number.

25678108492112 is a deficient number, since it is larger than the sum of its proper divisors (24107609157904).

25678108492112 is a wasteful number, since it uses less digits than its factorization.

25678108492112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109111186 (or 1109111180 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 25678108492112 in words is "twenty-five trillion, six hundred seventy-eight billion, one hundred eight million, four hundred ninety-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 1447 2894 5788 11576 23152 1109109731 2218219462 4436438924 8872877848 17745755696 1604881780757 3209763561514 6419527123028 12839054246056 25678108492112