Base | Representation |
---|---|
bin | 100000110000100111… |
… | …1110100010001000011 |
3 | 20201120212211202002112 |
4 | 1001201033310101003 |
5 | 2123034324403211 |
6 | 52152510205535 |
7 | 5040235512653 |
oct | 1014117642103 |
9 | 221525752075 |
10 | 70351012931 |
11 | 27921349301 |
12 | 117744b38ab |
13 | 6832096904 |
14 | 35954a8363 |
15 | 1c6b34988b |
hex | 10613f4443 |
70351012931 has 2 divisors, whose sum is σ = 70351012932. Its totient is φ = 70351012930.
The previous prime is 70351012861. The next prime is 70351012951. The reversal of 70351012931 is 13921015307.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 70351012931 - 222 = 70346818627 is a prime.
It is a super-2 number, since 2×703510129312 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (70351012951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35175506465 + 35175506466.
It is an arithmetic number, because the mean of its divisors is an integer number (35175506466).
Almost surely, 270351012931 is an apocalyptic number.
70351012931 is a deficient number, since it is larger than the sum of its proper divisors (1).
70351012931 is an equidigital number, since it uses as much as digits as its factorization.
70351012931 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5670, while the sum is 32.
The spelling of 70351012931 in words is "seventy billion, three hundred fifty-one million, twelve thousand, nine hundred thirty-one".
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