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64907482550425 = 526738750735851
BaseRepresentation
bin11101100001000011100110…
…11100001101000010011001
322111211002120001121020122221
432300201303130031002121
532001421011013103200
6350014030312544041
716446260632361104
oct1660416334150231
9274732501536587
1064907482550425
1119755121846439
1273436086b2021
132a2a9983c1748
141205778b0b73b
157785d4e2191a
hex3b087370d099

64907482550425 has 12 divisors (see below), whose sum is σ = 81686551176016. Its totient is φ = 51150971322000.

The previous prime is 64907482550249. The next prime is 64907482550497. The reversal of 64907482550425 is 52405528470946.

It is a de Polignac number, because none of the positive numbers 2k-64907482550425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19375366251 + ... + 19375369600.

Almost surely, 264907482550425 is an apocalyptic number.

It is an amenable number.

64907482550425 is a deficient number, since it is larger than the sum of its proper divisors (16779068625591).

64907482550425 is a wasteful number, since it uses less digits than its factorization.

64907482550425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38750735928 (or 38750735923 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 61.

The spelling of 64907482550425 in words is "sixty-four trillion, nine hundred seven billion, four hundred eighty-two million, five hundred fifty thousand, four hundred twenty-five".

Divisors: 1 5 25 67 335 1675 38750735851 193753679255 968768396275 2596299302017 12981496510085 64907482550425