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70083353061 = 3423210091621
BaseRepresentation
bin100000101000101001…
…0110001100111100101
320200220020012012210000
41001101102301213211
52122012314244221
652110145251513
75030505446331
oct1012122614745
9220806165700
1070083353061
11277a42534a7
12116ba933b99
1367bb7acca7
14356bb127c1
151c52ac7e26
hex10514b19e5

70083353061 has 60 divisors (see below), whose sum is σ = 109618214860. Its totient is φ = 44618999040.

The previous prime is 70083353057. The next prime is 70083353141. The reversal of 70083353061 is 16035338007.

It can be written as a sum of positive squares in 2 ways, for example, as 38022660036 + 32060693025 = 194994^2 + 179055^2 .

It is not a de Polignac number, because 70083353061 - 22 = 70083353057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70083351061) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 43233831 + ... + 43235451.

Almost surely, 270083353061 is an apocalyptic number.

It is an amenable number.

70083353061 is a deficient number, since it is larger than the sum of its proper divisors (39534861799).

70083353061 is a wasteful number, since it uses less digits than its factorization.

70083353061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 70083353061 in words is "seventy billion, eighty-three million, three hundred fifty-three thousand, sixty-one".

Divisors: 1 3 9 23 27 69 81 207 529 621 1009 1587 1621 1863 3027 4761 4863 9081 14283 14589 23207 27243 37283 42849 43767 69621 81729 111849 131301 208863 335547 533761 626589 857509 1006641 1601283 1635589 1879767 2572527 3019923 4803849 4906767 7717581 14411547 14720301 23152743 37618547 43234641 44160903 69458229 112855641 132482709 338566923 865226581 1015700769 2595679743 3047102307 7787039229 23361117687 70083353061