Base | Representation |
---|---|
bin | 100001000001111100… |
… | …1000000000110010101 |
3 | 20210002101111212101200 |
4 | 1002003321000012111 |
5 | 2130232123002040 |
6 | 52330311543113 |
7 | 5060524021626 |
oct | 1020371000625 |
9 | 223071455350 |
10 | 70932234645 |
11 | 2809a440828 |
12 | 118b708aa99 |
13 | 68c561919c |
14 | 360c763a4d |
15 | 1ca23a8630 |
hex | 1083e40195 |
70932234645 has 12 divisors (see below), whose sum is σ = 122949206796. Its totient is φ = 37830525120.
The previous prime is 70932234643. The next prime is 70932234697. The reversal of 70932234645 is 54643223907.
It can be written as a sum of positive squares in 2 ways, for example, as 54985091121 + 15947143524 = 234489^2 + 126282^2 .
It is not a de Polignac number, because 70932234645 - 21 = 70932234643 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1576271881 = 70932234645 / (7 + 0 + 9 + 3 + 2 + 2 + 3 + 4 + 6 + 4 + 5).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 70932234645.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70932234643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788135896 + ... + 788135985.
It is an arithmetic number, because the mean of its divisors is an integer number (10245767233).
Almost surely, 270932234645 is an apocalyptic number.
It is an amenable number.
70932234645 is a deficient number, since it is larger than the sum of its proper divisors (52016972151).
70932234645 is a wasteful number, since it uses less digits than its factorization.
70932234645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1576271892 (or 1576271889 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 45.
The spelling of 70932234645 in words is "seventy billion, nine hundred thirty-two million, two hundred thirty-four thousand, six hundred forty-five".
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