Base | Representation |
---|---|
bin | 100000101000010100… |
… | …1111000000100010111 |
3 | 20200212111000111122221 |
4 | 1001100221320010113 |
5 | 2122002043202300 |
6 | 52105123403211 |
7 | 5030315353342 |
oct | 1012051700427 |
9 | 220774014587 |
10 | 70072631575 |
11 | 277991a0271 |
12 | 116b7223507 |
13 | 67b94c7c0b |
14 | 356a521459 |
15 | 1c51bab31a |
hex | 1050a78117 |
70072631575 has 24 divisors (see below), whose sum is σ = 89046706896. Its totient is φ = 54667872000.
The previous prime is 70072631537. The next prime is 70072631593. The reversal of 70072631575 is 57513627007.
It is a de Polignac number, because none of the positive numbers 2k-70072631575 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2673484 + ... + 2699566.
It is an arithmetic number, because the mean of its divisors is an integer number (3710279454).
Almost surely, 270072631575 is an apocalyptic number.
70072631575 is a deficient number, since it is larger than the sum of its proper divisors (18974075321).
70072631575 is a wasteful number, since it uses less digits than its factorization.
70072631575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28755 (or 28750 counting only the distinct ones).
The product of its (nonzero) digits is 308700, while the sum is 43.
The spelling of 70072631575 in words is "seventy billion, seventy-two million, six hundred thirty-one thousand, five hundred seventy-five".
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