Base | Representation |
---|---|
bin | 11100011001110010… |
… | …100011001010110101 |
3 | 2220201102100010020010 |
4 | 130121302203022311 |
5 | 444424321441400 |
6 | 22002122130433 |
7 | 2126520033225 |
oct | 343162431265 |
9 | 86642303203 |
10 | 30497452725 |
11 | 11a30020693 |
12 | 5ab1650a19 |
13 | 2b5046791c |
14 | 169453a085 |
15 | bd763c450 |
hex | 719ca32b5 |
30497452725 has 24 divisors (see below), whose sum is σ = 51113182912. Its totient is φ = 16042492800.
The previous prime is 30497452717. The next prime is 30497452757. The reversal of 30497452725 is 52725479403.
It is not a de Polignac number, because 30497452725 - 23 = 30497452717 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2779681 + ... + 2790630.
Almost surely, 230497452725 is an apocalyptic number.
It is an amenable number.
30497452725 is a deficient number, since it is larger than the sum of its proper divisors (20615730187).
30497452725 is a wasteful number, since it uses less digits than its factorization.
30497452725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5570397 (or 5570392 counting only the distinct ones).
The product of its (nonzero) digits is 2116800, while the sum is 48.
The spelling of 30497452725 in words is "thirty billion, four hundred ninety-seven million, four hundred fifty-two thousand, seven hundred twenty-five".
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