Base | Representation |
---|---|
bin | 11100100001011011… |
… | …101010110111001000 |
3 | 2221001100121100220011 |
4 | 130201123222313020 |
5 | 1000210133011043 |
6 | 22022542241304 |
7 | 2132634631234 |
oct | 344133526710 |
9 | 87040540804 |
10 | 30625672648 |
11 | 11a9643716a |
12 | 5b28586234 |
13 | 2b70bac0bc |
14 | 16a75955c4 |
15 | be3a1859d |
hex | 7216eadc8 |
30625672648 has 32 divisors (see below), whose sum is σ = 58290392160. Its totient is φ = 15083066880.
The previous prime is 30625672621. The next prime is 30625672667. The reversal of 30625672648 is 84627652603.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70215 + ... + 257257.
It is an arithmetic number, because the mean of its divisors is an integer number (1821574755).
Almost surely, 230625672648 is an apocalyptic number.
It is an amenable number.
30625672648 is a deficient number, since it is larger than the sum of its proper divisors (27664719512).
30625672648 is a wasteful number, since it uses less digits than its factorization.
30625672648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187357 (or 187353 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 49.
The spelling of 30625672648 in words is "thirty billion, six hundred twenty-five million, six hundred seventy-two thousand, six hundred forty-eight".
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