Base | Representation |
---|---|
bin | 1011011100000000001011… |
… | …1001010101001000111101 |
3 | 1122112020010001022212210122 |
4 | 2313000002321111020331 |
5 | 3122020024440412132 |
6 | 42425111441544325 |
7 | 2435364613206563 |
oct | 267000271251075 |
9 | 48466101285718 |
10 | 12575712825917 |
11 | 400936a050aaa |
12 | 14b13109450a5 |
13 | 702b666c3b67 |
14 | 31694c431a33 |
15 | 16c1ca973912 |
hex | b7002e5523d |
12575712825917 has 4 divisors (see below), whose sum is σ = 12812990426460. Its totient is φ = 12338435225376.
The previous prime is 12575712825857. The next prime is 12575712825979. The reversal of 12575712825917 is 71952821757521.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3737614090681 + 8838098735236 = 1933291^2 + 2972894^2 .
It is a cyclic number.
It is not a de Polignac number, because 12575712825917 - 212 = 12575712821821 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12575712825917.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12575712825997) 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, 118638800192 + ... + 118638800297.
It is an arithmetic number, because the mean of its divisors is an integer number (3203247606615).
Almost surely, 212575712825917 is an apocalyptic number.
It is an amenable number.
12575712825917 is a deficient number, since it is larger than the sum of its proper divisors (237277600543).
12575712825917 is an equidigital number, since it uses as much as digits as its factorization.
12575712825917 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237277600542.
The product of its digits is 24696000, while the sum is 62.
The spelling of 12575712825917 in words is "twelve trillion, five hundred seventy-five billion, seven hundred twelve million, eight hundred twenty-five thousand, nine hundred seventeen".
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