Search a number
-
+
12575004657 = 320533204143
BaseRepresentation
bin10111011011000011…
…10101011111110001
31012110101002102110020
423231201311133301
5201223200122112
65435445554053
7623422530105
oct135541653761
935411072406
1012575004657
115373298136
12252b415929
13125531b377
14874139905
154d8ea248c
hex2ed8757f1

12575004657 has 8 divisors (see below), whose sum is σ = 16767571584. Its totient is φ = 8382887088.

The previous prime is 12575004649. The next prime is 12575004661. The reversal of 12575004657 is 75640057521.

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 12575004657 - 23 = 12575004649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12575004457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40473 + ... + 163670.

It is an arithmetic number, because the mean of its divisors is an integer number (2095946448).

Almost surely, 212575004657 is an apocalyptic number.

It is an amenable number.

12575004657 is a deficient number, since it is larger than the sum of its proper divisors (4192566927).

12575004657 is a wasteful number, since it uses less digits than its factorization.

12575004657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224679.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 12575004657 in words is "twelve billion, five hundred seventy-five million, four thousand, six hundred fifty-seven".

Divisors: 1 3 20533 61599 204143 612429 4191668219 12575004657