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70874892916 = 2217261310461
BaseRepresentation
bin100001000000001111…
…0010000101001110100
320202221101121121022221
41002000132100221310
52130122433033131
652320502532124
75056226435602
oct1020036205164
9222841547287
1070874892916
1128070036073
121189ba37044
1368b6790179
143604cb8872
151c9c32d411
hex1080790a74

70874892916 has 18 divisors (see below), whose sum is σ = 131756182838. Its totient is φ = 33352890240.

The previous prime is 70874892911. The next prime is 70874892919. The reversal of 70874892916 is 61929847807.

It can be written as a sum of positive squares in 3 ways, for example, as 9999200016 + 60875692900 = 99996^2 + 246730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70874892911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30654075 + ... + 30656386.

Almost surely, 270874892916 is an apocalyptic number.

It is an amenable number.

70874892916 is a deficient number, since it is larger than the sum of its proper divisors (60881289922).

70874892916 is a wasteful number, since it uses less digits than its factorization.

70874892916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61310499 (or 61310480 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 70874892916 in words is "seventy billion, eight hundred seventy-four million, eight hundred ninety-two thousand, nine hundred sixteen".

Divisors: 1 2 4 17 34 68 289 578 1156 61310461 122620922 245241844 1042277837 2084555674 4169111348 17718723229 35437446458 70874892916