Search a number
-
+
12153545214 = 232969847961
BaseRepresentation
bin10110101000110100…
…00110000111111110
31011101000001001210020
423110122012013332
5144342301421324
65325552353010
7610114300266
oct132432060776
934330031706
1012153545214
1151773a5448
122432245766
1311b8c05295
1483418a7a6
154b1ea0679
hex2d46861fe

12153545214 has 16 divisors (see below), whose sum is σ = 25145266320. Its totient is φ = 3911485760.

The previous prime is 12153545213. The next prime is 12153545227. The reversal of 12153545214 is 41254535121.

It is a super-2 number, since 2×121535452142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153545213) 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, 34923807 + ... + 34924154.

It is an arithmetic number, because the mean of its divisors is an integer number (1571579145).

Almost surely, 212153545214 is an apocalyptic number.

12153545214 is an abundant number, since it is smaller than the sum of its proper divisors (12991721106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12153545214 is a wasteful number, since it uses less digits than its factorization.

12153545214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69847995.

The product of its digits is 24000, while the sum is 33.

The spelling of 12153545214 in words is "twelve billion, one hundred fifty-three million, five hundred forty-five thousand, two hundred fourteen".

Divisors: 1 2 3 6 29 58 87 174 69847961 139695922 209543883 419087766 2025590869 4051181738 6076772607 12153545214