Base | Representation |
---|---|
bin | 11100001010110100… |
… | …001111111000000001 |
3 | 2220001220122011210200 |
4 | 130022310033320001 |
5 | 443421014132440 |
6 | 21521145515413 |
7 | 2120346536661 |
oct | 341264177001 |
9 | 86056564720 |
10 | 30246239745 |
11 | 11911239657 |
12 | 5a414a2b69 |
13 | 2b103bc0a7 |
14 | 166d0261a1 |
15 | bc0568c30 |
hex | 70ad0fe01 |
30246239745 has 48 divisors (see below), whose sum is σ = 55212917760. Its totient is φ = 15274891008.
The previous prime is 30246239713. The next prime is 30246239759. The reversal of 30246239745 is 54793264203.
30246239745 is a `hidden beast` number, since 302 + 46 + 239 + 74 + 5 = 666.
It is not a de Polignac number, because 30246239745 - 25 = 30246239713 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 30246239745.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2038624 + ... + 2053406.
It is an arithmetic number, because the mean of its divisors is an integer number (1150269120).
Almost surely, 230246239745 is an apocalyptic number.
It is an amenable number.
30246239745 is a deficient number, since it is larger than the sum of its proper divisors (24966678015).
30246239745 is a wasteful number, since it uses less digits than its factorization.
30246239745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17206 (or 17203 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 45.
The spelling of 30246239745 in words is "thirty billion, two hundred forty-six million, two hundred thirty-nine thousand, seven hundred forty-five".
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