Base | Representation |
---|---|
bin | 100000111010111000… |
… | …0111011110100101101 |
3 | 20202110212120020102121 |
4 | 1001311300323310231 |
5 | 2124240440121312 |
6 | 52251004152541 |
7 | 5051615421250 |
oct | 1016560736455 |
9 | 222425506377 |
10 | 70695238957 |
11 | 27a8868a422 |
12 | 1184b838751 |
13 | 68884aa955 |
14 | 35c90b1097 |
15 | 1c8b692707 |
hex | 1075c3bd2d |
70695238957 has 16 divisors (see below), whose sum is σ = 81230497920. Its totient is φ = 60269162688.
The previous prime is 70695238937. The next prime is 70695238967. The reversal of 70695238957 is 75983259607.
It is not a de Polignac number, because 70695238957 - 215 = 70695206189 is a prime.
It is a super-2 number, since 2×706952389572 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 70695238895 and 70695238904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70695238927) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5867143 + ... + 5879179.
It is an arithmetic number, because the mean of its divisors is an integer number (5076906120).
Almost surely, 270695238957 is an apocalyptic number.
It is an amenable number.
70695238957 is a deficient number, since it is larger than the sum of its proper divisors (10535258963).
70695238957 is a wasteful number, since it uses less digits than its factorization.
70695238957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16500.
The product of its (nonzero) digits is 28576800, while the sum is 61.
The spelling of 70695238957 in words is "seventy billion, six hundred ninety-five million, two hundred thirty-eight thousand, nine hundred fifty-seven".
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