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70139370077 = 715287655453
BaseRepresentation
bin100000101010010100…
…0011101101001011101
320201001010121011200022
41001110220131221131
52122121134320302
652115510041525
75032055544260
oct1012450355135
9221033534608
1070139370077
1127822933957
12117156492a5
1367ca29405a
143575334cd7
151c579908a2
hex1054a1da5d

70139370077 has 8 divisors (see below), whose sum is σ = 80164646016. Its totient is φ = 60115435632.

The previous prime is 70139370061. The next prime is 70139370107. The reversal of 70139370077 is 77007393107.

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

It is not a de Polignac number, because 70139370077 - 24 = 70139370061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70139370047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220718 + ... + 434735.

It is an arithmetic number, because the mean of its divisors is an integer number (10020580752).

Almost surely, 270139370077 is an apocalyptic number.

It is an amenable number.

70139370077 is a deficient number, since it is larger than the sum of its proper divisors (10025275939).

70139370077 is a wasteful number, since it uses less digits than its factorization.

70139370077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670747.

The product of its (nonzero) digits is 194481, while the sum is 44.

The spelling of 70139370077 in words is "seventy billion, one hundred thirty-nine million, three hundred seventy thousand, seventy-seven".

Divisors: 1 7 15287 107009 655453 4588171 10019910011 70139370077