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70892881842 = 2321155997537
BaseRepresentation
bin100001000000110001…
…0111000011110110010
320202222122110112111110
41002001202320132302
52130142034204332
652322344254150
75056535360466
oct1020142703662
9222878415443
1070892881842
112807a202452
12118a5a71356
1368ba41b0c3
14360743c4a6
151c9dbd34cc
hex10818b87b2

70892881842 has 16 divisors (see below), whose sum is σ = 142457736672. Its totient is φ = 23518965120.

The previous prime is 70892881841. The next prime is 70892881849. The reversal of 70892881842 is 24818829807.

It is not an unprimeable number, because it can be changed into a prime (70892881841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27997503 + ... + 28000034.

It is an arithmetic number, because the mean of its divisors is an integer number (8903608542).

Almost surely, 270892881842 is an apocalyptic number.

70892881842 is an abundant number, since it is smaller than the sum of its proper divisors (71564854830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70892881842 is a wasteful number, since it uses less digits than its factorization.

70892881842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55997753.

The product of its (nonzero) digits is 4128768, while the sum is 57.

The spelling of 70892881842 in words is "seventy billion, eight hundred ninety-two million, eight hundred eighty-one thousand, eight hundred forty-two".

Divisors: 1 2 3 6 211 422 633 1266 55997537 111995074 167992611 335985222 11815480307 23630960614 35446440921 70892881842