Base | Representation |
---|---|
bin | 11100010100011001… |
… | …101100011111110000 |
3 | 2220111010020020201021 |
4 | 130110121230133300 |
5 | 444233201114443 |
6 | 21545132345224 |
7 | 2124341446120 |
oct | 342431543760 |
9 | 86433206637 |
10 | 30407051248 |
11 | 11993a95722 |
12 | 5a87315214 |
13 | 2b37805022 |
14 | 1686526c80 |
15 | bce7319ed |
hex | 71466c7f0 |
30407051248 has 30 divisors (see below), whose sum is σ = 67333985736. Its totient is φ = 13030802496.
The previous prime is 30407051231. The next prime is 30407051287. The reversal of 30407051248 is 84215070403.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 1837186 + ... + 1853662.
Almost surely, 230407051248 is an apocalyptic number.
It is an amenable number.
30407051248 is an abundant number, since it is smaller than the sum of its proper divisors (36926934488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30407051248 is an frugal number, since it uses more digits than its factorization.
30407051248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32969 (or 16486 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
The spelling of 30407051248 in words is "thirty billion, four hundred seven million, fifty-one thousand, two hundred forty-eight".
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