Base | Representation |
---|---|
bin | 100001110010011101… |
… | …0100001110110101001 |
3 | 20221021211111011222101 |
4 | 1003210322201312221 |
5 | 2142100331300001 |
6 | 53200021053401 |
7 | 5146051015252 |
oct | 1034472416651 |
9 | 227254434871 |
10 | 72560025001 |
11 | 28855273812 |
12 | 12090257261 |
13 | 6ac4932249 |
14 | 3724a0db29 |
15 | 1d4a246a01 |
hex | 10e4ea1da9 |
72560025001 has 4 divisors (see below), whose sum is σ = 72562554112. Its totient is φ = 72557495892.
The previous prime is 72560024947. The next prime is 72560025007. The reversal of 72560025001 is 10052006527.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 72560025001 - 217 = 72559893929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72560025007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221021 + ... + 1279066.
It is an arithmetic number, because the mean of its divisors is an integer number (18140638528).
Almost surely, 272560025001 is an apocalyptic number.
It is an amenable number.
72560025001 is a deficient number, since it is larger than the sum of its proper divisors (2529111).
72560025001 is a wasteful number, since it uses less digits than its factorization.
72560025001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2529110.
The product of its (nonzero) digits is 4200, while the sum is 28.
The spelling of 72560025001 in words is "seventy-two billion, five hundred sixty million, twenty-five thousand, one".
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