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70634990975 = 522825399639
BaseRepresentation
bin100000111001000101…
…1000110110101111111
320202022200012022201212
41001302023012311333
52124130024202400
652241012555035
75050254342203
oct1016213066577
9222280168655
1070634990975
1127a5767a1aa
1211833622a7b
136878b74b63
1435c10aab03
151c86241335
hex10722c6d7f

70634990975 has 6 divisors (see below), whose sum is σ = 87587388840. Its totient is φ = 56507992760.

The previous prime is 70634990969. The next prime is 70634991023. The reversal of 70634990975 is 57909943607.

It is a de Polignac number, because none of the positive numbers 2k-70634990975 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1412699795 + ... + 1412699844.

It is an arithmetic number, because the mean of its divisors is an integer number (14597898140).

Almost surely, 270634990975 is an apocalyptic number.

70634990975 is a deficient number, since it is larger than the sum of its proper divisors (16952397865).

70634990975 is a wasteful number, since it uses less digits than its factorization.

70634990975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825399649 (or 2825399644 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 59.

The spelling of 70634990975 in words is "seventy billion, six hundred thirty-four million, nine hundred ninety thousand, nine hundred seventy-five".

Divisors: 1 5 25 2825399639 14126998195 70634990975