Base | Representation |
---|---|
bin | 11100001110111110… |
… | …001010011000001110 |
3 | 2220020202210200220122 |
4 | 130032332022120032 |
5 | 444041340310114 |
6 | 21532115544542 |
7 | 2122154205455 |
oct | 341676123016 |
9 | 86222720818 |
10 | 30315947534 |
11 | 119476200a4 |
12 | 5a608bb152 |
13 | 2b219878c2 |
14 | 16783adb9c |
15 | bc6737e8e |
hex | 70ef8a60e |
30315947534 has 24 divisors (see below), whose sum is σ = 48091560408. Its totient is φ = 14330771280.
The previous prime is 30315947483. The next prime is 30315947551. The reversal of 30315947534 is 43574951303.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311744 + ... + 397260.
It is an arithmetic number, because the mean of its divisors is an integer number (2003815017).
Almost surely, 230315947534 is an apocalyptic number.
30315947534 is a deficient number, since it is larger than the sum of its proper divisors (17775612874).
30315947534 is a wasteful number, since it uses less digits than its factorization.
30315947534 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86048 (or 86029 counting only the distinct ones).
The product of its (nonzero) digits is 680400, while the sum is 44.
The spelling of 30315947534 in words is "thirty billion, three hundred fifteen million, nine hundred forty-seven thousand, five hundred thirty-four".
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