Search a number
-
+
12098966878 = 2172281156007
BaseRepresentation
bin10110100010010011…
…11001010101011110
31011020012100012101101
423101021321111132
5144234313420003
65320322503314
7605552343625
oct132111712536
934205305341
1012098966878
115149607989
122417b04b3a
1311aa805ccb
1482ac206bc
154ac2be11d
hex2d127955e

12098966878 has 16 divisors (see below), whose sum is σ = 19224553824. Its totient is φ = 5691098880.

The previous prime is 12098966833. The next prime is 12098966903. The reversal of 12098966878 is 87866989021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 155557.

It is an arithmetic number, because the mean of its divisors is an integer number (1201534614).

Almost surely, 212098966878 is an apocalyptic number.

12098966878 is a deficient number, since it is larger than the sum of its proper divisors (7125586946).

12098966878 is a wasteful number, since it uses less digits than its factorization.

12098966878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158307.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 12098966878 in words is "twelve billion, ninety-eight million, nine hundred sixty-six thousand, eight hundred seventy-eight".

Divisors: 1 2 17 34 2281 4562 38777 77554 156007 312014 2652119 5304238 355851967 711703934 6049483439 12098966878