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70120750724 = 2223375236857
BaseRepresentation
bin100000101001110000…
…1011011111010000100
320200222211120012201122
41001103201123322010
52122101403010344
652114003013112
75031441355403
oct1012341337204
9220884505648
1070120750724
1127813376962
121170b36a198
1367c647519b
143572a8963a
151c56013aee
hex105385be84

70120750724 has 12 divisors (see below), whose sum is σ = 123237973404. Its totient is φ = 34909901184.

The previous prime is 70120750703. The next prime is 70120750727. The reversal of 70120750724 is 42705702107.

It can be written as a sum of positive squares in 2 ways, for example, as 30824824900 + 39295925824 = 175570^2 + 198232^2 .

It is not an unprimeable number, because it can be changed into a prime (70120750727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37617497 + ... + 37619360.

It is an arithmetic number, because the mean of its divisors is an integer number (10269831117).

Almost surely, 270120750724 is an apocalyptic number.

It is an amenable number.

70120750724 is a deficient number, since it is larger than the sum of its proper divisors (53117222680).

70120750724 is a wasteful number, since it uses less digits than its factorization.

70120750724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75237094 (or 75237092 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The spelling of 70120750724 in words is "seventy billion, one hundred twenty million, seven hundred fifty thousand, seven hundred twenty-four".

Divisors: 1 2 4 233 466 932 75236857 150473714 300947428 17530187681 35060375362 70120750724