Base | Representation |
---|---|
bin | 100001101101110001… |
… | …0111110001100011000 |
3 | 20220212212202002211101 |
4 | 1003123202332030120 |
5 | 2141240112322210 |
6 | 53132244241144 |
7 | 5142132052612 |
oct | 1033342761430 |
9 | 226785662741 |
10 | 72402854680 |
11 | 28784584392 |
12 | 120476a01b4 |
13 | 6a9b1c2760 |
14 | 370bbb9db2 |
15 | 1d3b54ca3a |
hex | 10db8be318 |
72402854680 has 64 divisors (see below), whose sum is σ = 175500743040. Its totient is φ = 26723753472.
The previous prime is 72402854677. The next prime is 72402854723. The reversal of 72402854680 is 8645820427.
It is a self number, because there is not a number n which added to its sum of digits gives 72402854680.
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, 1514097 + ... + 1561183.
It is an arithmetic number, because the mean of its divisors is an integer number (2742199110).
Almost surely, 272402854680 is an apocalyptic number.
It is an amenable number.
72402854680 is an abundant number, since it is smaller than the sum of its proper divisors (103097888360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72402854680 is a wasteful number, since it uses less digits than its factorization.
72402854680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50068 (or 50064 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 46.
The spelling of 72402854680 in words is "seventy-two billion, four hundred two million, eight hundred fifty-four thousand, six hundred eighty".
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