Base | Representation |
---|---|
bin | 11100011010110111… |
… | …010000010001001100 |
3 | 2220202200020011000101 |
4 | 130122313100101030 |
5 | 444443424310434 |
6 | 22004004140444 |
7 | 2130126105100 |
oct | 343267202114 |
9 | 86680204011 |
10 | 30515463244 |
11 | 11a3a202212 |
12 | 5ab7697724 |
13 | 2b54102636 |
14 | 1696aa7900 |
15 | bd8ee8b14 |
hex | 71add044c |
30515463244 has 18 divisors (see below), whose sum is σ = 62120764860. Its totient is φ = 13078055592.
The previous prime is 30515463241. The next prime is 30515463271. The reversal of 30515463244 is 44236451503.
It is not an unprimeable number, because it can be changed into a prime (30515463241) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77845374 + ... + 77845765.
Almost surely, 230515463244 is an apocalyptic number.
It is an amenable number.
30515463244 is an abundant number, since it is smaller than the sum of its proper divisors (31605301616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30515463244 is a wasteful number, since it uses less digits than its factorization.
30515463244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155691157 (or 155691148 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 37.
The spelling of 30515463244 in words is "thirty billion, five hundred fifteen million, four hundred sixty-three thousand, two hundred forty-four".
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