Base | Representation |
---|---|
bin | 100001101010100001… |
… | …1011110010111100000 |
3 | 20220121021210101111212 |
4 | 1003111003132113200 |
5 | 2141024221401220 |
6 | 53113353525252 |
7 | 5136340206341 |
oct | 1032503362740 |
9 | 226537711455 |
10 | 72293934560 |
11 | 28729050061 |
12 | 12017113828 |
13 | 6a81777a93 |
14 | 36db5460c8 |
15 | 1d31bd50c5 |
hex | 10d50de5e0 |
72293934560 has 24 divisors (see below), whose sum is σ = 170794420776. Its totient is φ = 28917573760.
The previous prime is 72293934529. The next prime is 72293934589. The reversal of 72293934560 is 6543939227.
It is a junction number, because it is equal to n+sod(n) for n = 72293934499 and 72293934508.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225918386 + ... + 225918705.
It is an arithmetic number, because the mean of its divisors is an integer number (7116434199).
Almost surely, 272293934560 is an apocalyptic number.
It is an amenable number.
72293934560 is an abundant number, since it is smaller than the sum of its proper divisors (98500486216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72293934560 is a wasteful number, since it uses less digits than its factorization.
72293934560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 451837106 (or 451837098 counting only the distinct ones).
The product of its (nonzero) digits is 2449440, while the sum is 50.
The spelling of 72293934560 in words is "seventy-two billion, two hundred ninety-three million, nine hundred thirty-four thousand, five hundred sixty".
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