Base | Representation |
---|---|
bin | 10001001000100010… |
… | …01110011101001001 |
3 | 212202001110122211112 |
4 | 20210101032131021 |
5 | 122314244230100 |
6 | 4120430140105 |
7 | 443642236151 |
oct | 104421163511 |
9 | 25661418745 |
10 | 9198430025 |
11 | 39a0301694 |
12 | 1948651635 |
13 | b37907b05 |
14 | 633909761 |
15 | 38c825b35 |
hex | 22444e749 |
9198430025 has 12 divisors (see below), whose sum is σ = 11489313372. Its totient is φ = 7305027840.
The previous prime is 9198430001. The next prime is 9198430039. The reversal of 9198430025 is 5200348919.
It can be written as a sum of positive squares in 6 ways, for example, as 1495910329 + 7702519696 = 38677^2 + 87764^2 .
It is not a de Polignac number, because 9198430025 - 28 = 9198429769 is a prime.
It is a super-2 number, since 2×91984300252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1339412 + ... + 1346261.
It is an arithmetic number, because the mean of its divisors is an integer number (957442781).
Almost surely, 29198430025 is an apocalyptic number.
It is an amenable number.
9198430025 is a deficient number, since it is larger than the sum of its proper divisors (2290883347).
9198430025 is a wasteful number, since it uses less digits than its factorization.
9198430025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2685820 (or 2685815 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 41.
The square root of 9198430025 is about 95908.4460566430. The cubic root of 9198430025 is about 2095.2599077941.
The spelling of 9198430025 in words is "nine billion, one hundred ninety-eight million, four hundred thirty thousand, twenty-five".
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