Base | Representation |
---|---|
bin | 100000111101000111… |
… | …1100100111110001001 |
3 | 20202200002221211111102 |
4 | 1001322033210332021 |
5 | 2124414204140211 |
6 | 52302250511145 |
7 | 5053520211320 |
oct | 1017217447611 |
9 | 222602854442 |
10 | 70770380681 |
11 | 28017042520 |
12 | 11870a354b5 |
13 | 689ac29900 |
14 | 35d50710b7 |
15 | 1c93086a3b |
hex | 107a3e4f89 |
70770380681 has 24 divisors (see below), whose sum is σ = 95542478784. Its totient is φ = 50903760960.
The previous prime is 70770380677. The next prime is 70770380693. The reversal of 70770380681 is 18608307707.
It is not a de Polignac number, because 70770380681 - 22 = 70770380677 is a prime.
It is a super-2 number, since 2×707703806812 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70770380621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2706206 + ... + 2732231.
It is an arithmetic number, because the mean of its divisors is an integer number (3980936616).
Almost surely, 270770380681 is an apocalyptic number.
It is an amenable number.
70770380681 is a deficient number, since it is larger than the sum of its proper divisors (24772098103).
70770380681 is a wasteful number, since it uses less digits than its factorization.
70770380681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5438481 (or 5438468 counting only the distinct ones).
The product of its (nonzero) digits is 395136, while the sum is 47.
The spelling of 70770380681 in words is "seventy billion, seven hundred seventy million, three hundred eighty thousand, six hundred eighty-one".
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