Base | Representation |
---|---|
bin | 11100000000011101… |
… | …101001110011001100 |
3 | 2212121210210112122222 |
4 | 130000131221303030 |
5 | 443042032410320 |
6 | 21452022554512 |
7 | 2113140260510 |
oct | 340035516314 |
9 | 85553715588 |
10 | 30072544460 |
11 | 11832192832 |
12 | 59b3298a38 |
13 | 2ab3414b0a |
14 | 1653d30140 |
15 | bb01a8825 |
hex | 700769ccc |
30072544460 has 48 divisors (see below), whose sum is σ = 72189272064. Its totient is φ = 10308420288.
The previous prime is 30072544423. The next prime is 30072544471. The reversal of 30072544460 is 6444527003.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 30072544460.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737117 + ... + 776843.
It is an arithmetic number, because the mean of its divisors is an integer number (1503943168).
Almost surely, 230072544460 is an apocalyptic number.
It is an amenable number.
30072544460 is an abundant number, since it is smaller than the sum of its proper divisors (42116727604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30072544460 is a wasteful number, since it uses less digits than its factorization.
30072544460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45150 (or 45148 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 35.
The spelling of 30072544460 in words is "thirty billion, seventy-two million, five hundred forty-four thousand, four hundred sixty".
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