Base | Representation |
---|---|
bin | 11100000100010110… |
… | …001101001101101001 |
3 | 2212210100101211221111 |
4 | 130010112031031221 |
5 | 443210222414400 |
6 | 21502311310321 |
7 | 2114561143102 |
oct | 340426151551 |
9 | 85710354844 |
10 | 30137701225 |
11 | 11865a45aa5 |
12 | 5a1107b3a1 |
13 | 2ac3a79008 |
14 | 165c8513a9 |
15 | bb5c793ba |
hex | 70458d369 |
30137701225 has 6 divisors (see below), whose sum is σ = 37370749550. Its totient is φ = 24110160960.
The previous prime is 30137701211. The next prime is 30137701283. The reversal of 30137701225 is 52210773103.
It can be written as a sum of positive squares in 3 ways, for example, as 5079127824 + 25058573401 = 71268^2 + 158299^2 .
It is not a de Polignac number, because 30137701225 - 223 = 30129312617 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 602754000 + ... + 602754049.
Almost surely, 230137701225 is an apocalyptic number.
It is an amenable number.
30137701225 is a deficient number, since it is larger than the sum of its proper divisors (7233048325).
30137701225 is a wasteful number, since it uses less digits than its factorization.
30137701225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1205508059 (or 1205508054 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 31.
The spelling of 30137701225 in words is "thirty billion, one hundred thirty-seven million, seven hundred one thousand, two hundred twenty-five".
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