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70639400048 = 2473719169591
BaseRepresentation
bin100000111001001101…
…1111011010001110000
320202022222111022211212
41001302123323101300
52124132141300143
652241251255252
75050336664510
oct1016233732160
9222288438755
1070639400048
1127a5a110868
1211834baa528
136879a59989
1435c18d7840
151c86812918
hex10726fb470

70639400048 has 40 divisors (see below), whose sum is σ = 156458795520. Its totient is φ = 30265709760.

The previous prime is 70639399997. The next prime is 70639400071. The reversal of 70639400048 is 84000493607.

It is a junction number, because it is equal to n+sod(n) for n = 70639399978 and 70639400014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331733 + ... + 501323.

It is an arithmetic number, because the mean of its divisors is an integer number (3911469888).

Almost surely, 270639400048 is an apocalyptic number.

It is an amenable number.

70639400048 is an abundant number, since it is smaller than the sum of its proper divisors (85819395472).

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

70639400048 is a wasteful number, since it uses less digits than its factorization.

70639400048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173325 (or 173319 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 70639400048 in words is "seventy billion, six hundred thirty-nine million, four hundred thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 3719 7438 14876 26033 29752 52066 59504 104132 169591 208264 339182 416528 678364 1187137 1356728 2374274 2713456 4748548 9497096 18994192 630708929 1261417858 2522835716 4414962503 5045671432 8829925006 10091342864 17659850012 35319700024 70639400048