Base | Representation |
---|---|
bin | 10000011111011110001111… |
… | …000001010000111000111001 |
3 | 100111210221111210102222211220 |
4 | 100133132033001100320321 |
5 | 34001324014110411021 |
6 | 414132303335342253 |
7 | 21164141326221045 |
oct | 2037361701207071 |
9 | 314727453388756 |
10 | 72531512200761 |
11 | 21124494821229 |
12 | 8175114821989 |
13 | 31618ccb55683 |
14 | 13ca788741025 |
15 | 85ba9ed89cc6 |
hex | 41f78f050e39 |
72531512200761 has 8 divisors (see below), whose sum is σ = 96708894330144. Its totient is φ = 48354235769280.
The previous prime is 72531512200751. The next prime is 72531512200783. The reversal of 72531512200761 is 16700221513527.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72531512200761 - 25 = 72531512200729 is a prime.
It is not an unprimeable number, because it can be changed into a prime (72531512200751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24809200 + ... + 27578241.
It is an arithmetic number, because the mean of its divisors is an integer number (12088611791268).
Almost surely, 272531512200761 is an apocalyptic number.
It is an amenable number.
72531512200761 is a deficient number, since it is larger than the sum of its proper divisors (24177382129383).
72531512200761 is a wasteful number, since it uses less digits than its factorization.
72531512200761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52848951.
The product of its (nonzero) digits is 176400, while the sum is 42.
The spelling of 72531512200761 in words is "seventy-two trillion, five hundred thirty-one billion, five hundred twelve million, two hundred thousand, seven hundred sixty-one".
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