Base | Representation |
---|---|
bin | 100001111110110101… |
… | …0001110000110011110 |
3 | 20222100202200020211111 |
4 | 1003331222032012132 |
5 | 2143423121231230 |
6 | 53305131212234 |
7 | 5162251540243 |
oct | 1037552160636 |
9 | 228322606744 |
10 | 72975180190 |
11 | 28a4864aa80 |
12 | 121872a707a |
13 | 6b5c94b9c3 |
14 | 3763bdb5ca |
15 | 1d7190092a |
hex | 10fda8e19e |
72975180190 has 64 divisors (see below), whose sum is σ = 144738316800. Its totient is φ = 26270663040.
The previous prime is 72975180181. The next prime is 72975180233. The reversal of 72975180190 is 9108157927.
It is a super-2 number, since 2×729751801902 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5024479 + ... + 5038981.
It is an arithmetic number, because the mean of its divisors is an integer number (2261536200).
Almost surely, 272975180190 is an apocalyptic number.
72975180190 is a deficient number, since it is larger than the sum of its proper divisors (71763136610).
72975180190 is a wasteful number, since it uses less digits than its factorization.
72975180190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14977.
The product of its (nonzero) digits is 317520, while the sum is 49.
The spelling of 72975180190 in words is "seventy-two billion, nine hundred seventy-five million, one hundred eighty thousand, one hundred ninety".
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