Search a number
-
+
12916154659 = 58132221943
BaseRepresentation
bin11000000011101110…
…01110000100100011
31020100011000122021111
430001313032010203
5202423013422114
65533354004151
7635034334402
oct140167160443
936304018244
1012916154659
115528918191
122605716657
1312aabc6285
148a7581639
15508dddbc4
hex301dce123

12916154659 has 4 divisors (see below), whose sum is σ = 12918382416. Its totient is φ = 12913926904.

The previous prime is 12916154653. The next prime is 12916154677. The reversal of 12916154659 is 95645161921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95645161921 = 157609204853.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12916154659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12916154653) 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, 1105159 + ... + 1116784.

It is an arithmetic number, because the mean of its divisors is an integer number (3229595604).

Almost surely, 212916154659 is an apocalyptic number.

12916154659 is a deficient number, since it is larger than the sum of its proper divisors (2227757).

12916154659 is an equidigital number, since it uses as much as digits as its factorization.

12916154659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227756.

The product of its digits is 583200, while the sum is 49.

The spelling of 12916154659 in words is "twelve billion, nine hundred sixteen million, one hundred fifty-four thousand, six hundred fifty-nine".

Divisors: 1 5813 2221943 12916154659