Base | Representation |
---|---|
bin | 100000111111010010… |
… | …0010101101001111111 |
3 | 20202212011110210222100 |
4 | 1001332210111221333 |
5 | 2130041242304324 |
6 | 52313401520143 |
7 | 5055360661611 |
oct | 1017644255177 |
9 | 222764423870 |
10 | 70842931839 |
11 | 28053a96259 |
12 | 118911a3053 |
13 | 68acc7c6a4 |
14 | 3600958db1 |
15 | 1c996184c9 |
hex | 107e915a7f |
70842931839 has 24 divisors (see below), whose sum is σ = 103540447712. Its totient is φ = 46672588800.
The previous prime is 70842931829. The next prime is 70842931843. The reversal of 70842931839 is 93813924807.
It is not a de Polignac number, because 70842931839 - 27 = 70842931711 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70842931829) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127239 + ... + 397335.
Almost surely, 270842931839 is an apocalyptic number.
70842931839 is a deficient number, since it is larger than the sum of its proper divisors (32697515873).
70842931839 is a wasteful number, since it uses less digits than its factorization.
70842931839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270447 (or 270444 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 54.
The spelling of 70842931839 in words is "seventy billion, eight hundred forty-two million, nine hundred thirty-one thousand, eight hundred thirty-nine".
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