Base | Representation |
---|---|
bin | 11100100001011000… |
… | …000001010011010000 |
3 | 2221001021210202121011 |
4 | 130201120001103100 |
5 | 1000204411402414 |
6 | 22022505540304 |
7 | 2132623535152 |
oct | 344130012320 |
9 | 87037722534 |
10 | 30624715984 |
11 | 11a95943435 |
12 | 5b281a4694 |
13 | 2b70935825 |
14 | 16a73c6ad2 |
15 | be38c9dc4 |
hex | 7216014d0 |
30624715984 has 40 divisors (see below), whose sum is σ = 61337502720. Its totient is φ = 14797104000.
The previous prime is 30624715963. The next prime is 30624716009. The reversal of 30624715984 is 48951742603.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303657 + ... + 391735.
It is an arithmetic number, because the mean of its divisors is an integer number (1533437568).
It is a 1-persistent number, because it is pandigital, but 2⋅30624715984 = 61249431968 is not.
Almost surely, 230624715984 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30624715984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30668751360).
30624715984 is an abundant number, since it is smaller than the sum of its proper divisors (30712786736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30624715984 is a wasteful number, since it uses less digits than its factorization.
30624715984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88819 (or 88813 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 30624715984 in words is "thirty billion, six hundred twenty-four million, seven hundred fifteen thousand, nine hundred eighty-four".
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