Base | Representation |
---|---|
bin | 100000111010001100… |
… | …0110000011010000101 |
3 | 20202102021001212000111 |
4 | 1001310120300122011 |
5 | 2124214030423100 |
6 | 52244420513021 |
7 | 5051215065313 |
oct | 1016430603205 |
9 | 222367055014 |
10 | 70672123525 |
11 | 27a76631463 |
12 | 11843b4b771 |
13 | 6883776493 |
14 | 35c5db50b3 |
15 | 1c896286ba |
hex | 1074630685 |
70672123525 has 12 divisors (see below), whose sum is σ = 87643287172. Its totient is φ = 56531341440.
The previous prime is 70672123523. The next prime is 70672123537. The reversal of 70672123525 is 52532127607.
It can be written as a sum of positive squares in 6 ways, for example, as 5127419236 + 65544704289 = 71606^2 + 256017^2 .
It is not a de Polignac number, because 70672123525 - 21 = 70672123523 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70672123523) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74569 + ... + 383281.
Almost surely, 270672123525 is an apocalyptic number.
It is an amenable number.
70672123525 is a deficient number, since it is larger than the sum of its proper divisors (16971163647).
70672123525 is a wasteful number, since it uses less digits than its factorization.
70672123525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317880 (or 317875 counting only the distinct ones).
The product of its (nonzero) digits is 176400, while the sum is 40.
The spelling of 70672123525 in words is "seventy billion, six hundred seventy-two million, one hundred twenty-three thousand, five hundred twenty-five".
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