Search a number
-
+
12423919186 = 2725125713757
BaseRepresentation
bin10111001001000010…
…11111011001010010
31012001211210111011001
423210201133121102
5200421010403221
65412451412214
7616606366510
oct134441373122
935054714131
1012423919186
1152a5a84408
1224a88b406a
13122cc2c393
1485c04b4b0
154caaab391
hex2e485f652

12423919186 has 32 divisors (see below), whose sum is σ = 21467763072. Its totient is φ = 5282304000.

The previous prime is 12423919181. The next prime is 12423919187. The reversal of 12423919186 is 68191932421.

12423919186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12423919181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896220 + ... + 909976.

It is an arithmetic number, because the mean of its divisors is an integer number (670867596).

Almost surely, 212423919186 is an apocalyptic number.

12423919186 is a deficient number, since it is larger than the sum of its proper divisors (9043843886).

12423919186 is a wasteful number, since it uses less digits than its factorization.

12423919186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274.

The product of its digits is 186624, while the sum is 46.

The spelling of 12423919186 in words is "twelve billion, four hundred twenty-three million, nine hundred nineteen thousand, one hundred eighty-six".

Divisors: 1 2 7 14 251 257 502 514 1757 1799 3514 3598 13757 27514 64507 96299 129014 192598 451549 903098 3453007 3535549 6906014 7071098 24171049 24748843 48342098 49497686 887422799 1774845598 6211959593 12423919186