Base | Representation |
---|---|
bin | 100000101001100110… |
… | …0010010000111111001 |
3 | 20200222110010111021121 |
4 | 1001103030102013321 |
5 | 2122043443040000 |
6 | 52113244105241 |
7 | 5031343262053 |
oct | 1012314220771 |
9 | 220873114247 |
10 | 70115205625 |
11 | 27810229833 |
12 | 11709535221 |
13 | 67c528326a |
14 | 35720448d3 |
15 | 1c557bab1a |
hex | 10533121f9 |
70115205625 has 20 divisors (see below), whose sum is σ = 87632511120. Its totient is φ = 56081570000.
The previous prime is 70115205617. The next prime is 70115205649. The reversal of 70115205625 is 52650251107.
It is not a de Polignac number, because 70115205625 - 23 = 70115205617 is a prime.
It is a super-2 number, since 2×701152056252 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6451446 + ... + 6462304.
It is an arithmetic number, because the mean of its divisors is an integer number (4381625556).
Almost surely, 270115205625 is an apocalyptic number.
It is an amenable number.
70115205625 is a deficient number, since it is larger than the sum of its proper divisors (17517305495).
70115205625 is a wasteful number, since it uses less digits than its factorization.
70115205625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21210 (or 21195 counting only the distinct ones).
The product of its (nonzero) digits is 21000, while the sum is 34.
The spelling of 70115205625 in words is "seventy billion, one hundred fifteen million, two hundred five thousand, six hundred twenty-five".
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