Base | Representation |
---|---|
bin | 1110001100011001… |
… | …10110100001100101 |
3 | 201200001210112201012 |
4 | 13012030312201211 |
5 | 111101234201000 |
6 | 3300051512005 |
7 | 356556562532 |
oct | 70614664145 |
9 | 21601715635 |
10 | 7620225125 |
11 | 3260466a17 |
12 | 1587bb8605 |
13 | 945963566 |
14 | 524089d89 |
15 | 2e8ece735 |
hex | 1c6336865 |
7620225125 has 16 divisors (see below), whose sum is σ = 9512755824. Its totient is φ = 6094440000.
The previous prime is 7620225083. The next prime is 7620225133. The reversal of 7620225125 is 5215220267.
It can be written as a sum of positive squares in 8 ways, for example, as 176331841 + 7443893284 = 13279^2 + 86278^2 .
It is not a de Polignac number, because 7620225125 - 226 = 7553116261 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7620225091 and 7620225100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601355 + ... + 613895.
It is an arithmetic number, because the mean of its divisors is an integer number (594547239).
Almost surely, 27620225125 is an apocalyptic number.
It is an amenable number.
7620225125 is a deficient number, since it is larger than the sum of its proper divisors (1892530699).
7620225125 is a wasteful number, since it uses less digits than its factorization.
7620225125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17417 (or 17407 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 32.
The square root of 7620225125 is about 87293.9008465082. The cubic root of 7620225125 is about 1967.8376580681.
The spelling of 7620225125 in words is "seven billion, six hundred twenty million, two hundred twenty-five thousand, one hundred twenty-five".
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