Base | Representation |
---|---|
bin | 100010111101010001… |
… | …1101101011101011001 |
3 | 21011202210121220120200 |
4 | 1011322203231131121 |
5 | 2212221040010000 |
6 | 54253104012413 |
7 | 5265214534512 |
oct | 1057243553531 |
9 | 234683556520 |
10 | 75070625625 |
11 | 29923458166 |
12 | 12671001109 |
13 | 7104b03748 |
14 | 38c221da09 |
15 | 1e45868500 |
hex | 117a8ed759 |
75070625625 has 30 divisors (see below), whose sum is σ = 135500821170. Its totient is φ = 40037664000.
The previous prime is 75070625587. The next prime is 75070625713. The reversal of 75070625625 is 52652607057.
It can be written as a sum of positive squares in 5 ways, for example, as 44807152329 + 30263473296 = 211677^2 + 173964^2 .
It is not a de Polignac number, because 75070625625 - 221 = 75068528473 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6667320 + ... + 6678569.
It is an arithmetic number, because the mean of its divisors is an integer number (4516694039).
Almost surely, 275070625625 is an apocalyptic number.
75070625625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
75070625625 is a deficient number, since it is larger than the sum of its proper divisors (60430195545).
75070625625 is a wasteful number, since it uses less digits than its factorization.
75070625625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13345915 (or 13345897 counting only the distinct ones).
The product of its (nonzero) digits is 882000, while the sum is 45.
The spelling of 75070625625 in words is "seventy-five billion, seventy million, six hundred twenty-five thousand, six hundred twenty-five".
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