Base | Representation |
---|---|
bin | 100000111010011101… |
… | …0110011000110110000 |
3 | 20202102212212020101001 |
4 | 1001310322303012300 |
5 | 2124223322004342 |
6 | 52245340051344 |
7 | 5051353663540 |
oct | 1016472630660 |
9 | 222385766331 |
10 | 70681047472 |
11 | 27a80677122 |
12 | 11846b33b54 |
13 | 688557c319 |
14 | 35c7259320 |
15 | 1c8a2dc8b7 |
hex | 1074eb31b0 |
70681047472 has 20 divisors (see below), whose sum is σ = 156508033936. Its totient is φ = 30291877440.
The previous prime is 70681047461. The next prime is 70681047533. The reversal of 70681047472 is 27474018607.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315540279 + ... + 315540502.
Almost surely, 270681047472 is an apocalyptic number.
It is an amenable number.
70681047472 is an abundant number, since it is smaller than the sum of its proper divisors (85826986464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70681047472 is a wasteful number, since it uses less digits than its factorization.
70681047472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 631080796 (or 631080790 counting only the distinct ones).
The product of its (nonzero) digits is 526848, while the sum is 46.
The spelling of 70681047472 in words is "seventy billion, six hundred eighty-one million, forty-seven thousand, four hundred seventy-two".
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