Base | Representation |
---|---|
bin | 100001110010000101… |
… | …1010011111100011100 |
3 | 20221020222012022220112 |
4 | 1003210023103330130 |
5 | 2142034144203020 |
6 | 53154455505152 |
7 | 5145540553454 |
oct | 1034413237434 |
9 | 227228168815 |
10 | 72547647260 |
11 | 2884928a180 |
12 | 120880881b8 |
13 | 6ac21ba33a |
14 | 372310ad64 |
15 | 1d490ee2c5 |
hex | 10e42d3f1c |
72547647260 has 48 divisors (see below), whose sum is σ = 169017045120. Its totient is φ = 25933823040.
The previous prime is 72547647253. The next prime is 72547647281. The reversal of 72547647260 is 6274674527.
It is a super-2 number, since 2×725476472602 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 72547647199 and 72547647208.
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, 2781614 + ... + 2807573.
It is an arithmetic number, because the mean of its divisors is an integer number (3521188440).
Almost surely, 272547647260 is an apocalyptic number.
It is an amenable number.
72547647260 is an abundant number, since it is smaller than the sum of its proper divisors (96469397860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72547647260 is a wasteful number, since it uses less digits than its factorization.
72547647260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5589266 (or 5589264 counting only the distinct ones).
The product of its (nonzero) digits is 3951360, while the sum is 50.
The spelling of 72547647260 in words is "seventy-two billion, five hundred forty-seven million, six hundred forty-seven thousand, two hundred sixty".
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