Base | Representation |
---|---|
bin | 100001101011110001… |
… | …1110000000000101110 |
3 | 20220201012211222200110 |
4 | 1003113203300000232 |
5 | 2141121000343440 |
6 | 53121454240450 |
7 | 5140360300062 |
oct | 1032743600056 |
9 | 226635758613 |
10 | 72335949870 |
11 | 2874a837858 |
12 | 120291b6126 |
13 | 6a8a398a02 |
14 | 3702d61aa2 |
15 | 1d35734080 |
hex | 10d78f002e |
72335949870 has 32 divisors (see below), whose sum is σ = 173645972640. Its totient is φ = 19285176320.
The previous prime is 72335949869. The next prime is 72335949887. The reversal of 72335949870 is 7894953327.
It is a self number, because there is not a number n which added to its sum of digits gives 72335949870.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141171 + ... + 405710.
It is an arithmetic number, because the mean of its divisors is an integer number (5426436645).
Almost surely, 272335949870 is an apocalyptic number.
72335949870 is an abundant number, since it is smaller than the sum of its proper divisors (101310022770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72335949870 is a wasteful number, since it uses less digits than its factorization.
72335949870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 551300.
The product of its (nonzero) digits is 11430720, while the sum is 57.
The spelling of 72335949870 in words is "seventy-two billion, three hundred thirty-five million, nine hundred forty-nine thousand, eight hundred seventy".
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