Search a number
-
+
12054432959 = 47256477297
BaseRepresentation
bin10110011101000000…
…00000110010111111
31011010002112122022222
423032200000302333
5144141413323314
65312052155555
7604501663262
oct131640006277
934102478288
1012054432959
11512645a998
122405008bbb
1311a151288a
14824d4acd9
154a8423c8e
hex2ce800cbf

12054432959 has 4 divisors (see below), whose sum is σ = 12310910304. Its totient is φ = 11797955616.

The previous prime is 12054432953. The next prime is 12054432977. The reversal of 12054432959 is 95923445021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95923445021 = 463207178067.

It is a cyclic number.

It is not a de Polignac number, because 12054432959 - 28 = 12054432703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054432953) 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, 128238602 + ... + 128238695.

It is an arithmetic number, because the mean of its divisors is an integer number (3077727576).

Almost surely, 212054432959 is an apocalyptic number.

12054432959 is a deficient number, since it is larger than the sum of its proper divisors (256477345).

12054432959 is an equidigital number, since it uses as much as digits as its factorization.

12054432959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256477344.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 12054432959 in words is "twelve billion, fifty-four million, four hundred thirty-two thousand, nine hundred fifty-nine".

Divisors: 1 47 256477297 12054432959