Search a number
-
+
12515968270 = 251396276679
BaseRepresentation
bin10111010100000001…
…01000010100001110
31012022021000001202101
423222000220110032
5201113041441040
65425540345314
7622104655261
oct135200502416
935267001671
1012515968270
115342a35233
1225136a523a
13124601abb0
1486a36ccd8
154d3be009a
hex2ea02850e

12515968270 has 16 divisors (see below), whose sum is σ = 24261723360. Its totient is φ = 4621280544.

The previous prime is 12515968217. The next prime is 12515968271. The reversal of 12515968270 is 7286951521.

It is a self number, because there is not a number n which added to its sum of digits gives 12515968270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515968271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48138210 + ... + 48138469.

It is an arithmetic number, because the mean of its divisors is an integer number (1516357710).

Almost surely, 212515968270 is an apocalyptic number.

12515968270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12515968270 is a deficient number, since it is larger than the sum of its proper divisors (11745755090).

12515968270 is a wasteful number, since it uses less digits than its factorization.

12515968270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96276699.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 12515968270 in words is "twelve billion, five hundred fifteen million, nine hundred sixty-eight thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 96276679 192553358 481383395 962766790 1251596827 2503193654 6257984135 12515968270