Base | Representation |
---|---|
bin | 100001101011010011… |
… | …0101010000110001100 |
3 | 20220200002201100012221 |
4 | 1003112212222012030 |
5 | 2141102400403420 |
6 | 53120123105124 |
7 | 5140104206065 |
oct | 1032646520614 |
9 | 226602640187 |
10 | 72319934860 |
11 | 28741799508 |
12 | 120239721a4 |
13 | 6a86c7c384 |
14 | 3700b9356c |
15 | 1d3411dcaa |
hex | 10d69aa18c |
72319934860 has 24 divisors (see below), whose sum is σ = 151881594480. Its totient is φ = 28926120384.
The previous prime is 72319934857. The next prime is 72319934879. The reversal of 72319934860 is 6843991327.
It is a junction number, because it is equal to n+sod(n) for n = 72319934798 and 72319934807.
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, 229147 + ... + 444013.
It is an arithmetic number, because the mean of its divisors is an integer number (6328399770).
Almost surely, 272319934860 is an apocalyptic number.
It is an amenable number.
72319934860 is an abundant number, since it is smaller than the sum of its proper divisors (79561659620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72319934860 is a wasteful number, since it uses less digits than its factorization.
72319934860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231705 (or 231703 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 52.
The spelling of 72319934860 in words is "seventy-two billion, three hundred nineteen million, nine hundred thirty-four thousand, eight hundred sixty".
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