Base | Representation |
---|---|
bin | 11100010001011100… |
… | …010001110110000000 |
3 | 2220100122210112201000 |
4 | 130101130101312000 |
5 | 444132443144424 |
6 | 21540200212000 |
7 | 2123166421134 |
oct | 342134216600 |
9 | 86318715630 |
10 | 30357396864 |
11 | 11968a60643 |
12 | 5a7276a000 |
13 | 2b2a43b032 |
14 | 167dabd3c4 |
15 | bca1c43c9 |
hex | 711711d80 |
30357396864 has 64 divisors (see below), whose sum is σ = 89596494000. Its totient is φ = 10119131136.
The previous prime is 30357396863. The next prime is 30357396899. The reversal of 30357396864 is 46869375303.
30357396864 is a `hidden beast` number, since 3 + 0 + 3 + 573 + 9 + 6 + 8 + 64 = 666.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 30357396864.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30357396863) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4388529 + ... + 4395440.
Almost surely, 230357396864 is an apocalyptic number.
It is an amenable number.
30357396864 is an abundant number, since it is smaller than the sum of its proper divisors (59239097136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30357396864 is an equidigital number, since it uses as much as digits as its factorization.
30357396864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8783992 (or 8783974 counting only the distinct ones).
The product of its (nonzero) digits is 9797760, while the sum is 54.
The spelling of 30357396864 in words is "thirty billion, three hundred fifty-seven million, three hundred ninety-six thousand, eight hundred sixty-four".
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