Search a number
-
+
11868719192 = 2311134871809
BaseRepresentation
bin10110000110110111…
…00100100001011000
31010122011002101221022
423003123210201120
5143301343003232
65241415502012
7600055306601
oct130333444130
933564071838
1011868719192
115040645440
122372987908
131171bbb085
14808406da8
15496e8c812
hex2c36e4858

11868719192 has 16 divisors (see below), whose sum is σ = 24276925800. Its totient is φ = 5394872320.

The previous prime is 11868719119. The next prime is 11868719243. The reversal of 11868719192 is 29191786811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67435817 + ... + 67435992.

Almost surely, 211868719192 is an apocalyptic number.

It is an amenable number.

11868719192 is an abundant number, since it is smaller than the sum of its proper divisors (12408206608).

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

11868719192 is a wasteful number, since it uses less digits than its factorization.

11868719192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134871826 (or 134871822 counting only the distinct ones).

The product of its digits is 435456, while the sum is 53.

The spelling of 11868719192 in words is "eleven billion, eight hundred sixty-eight million, seven hundred nineteen thousand, one hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 134871809 269743618 539487236 1078974472 1483589899 2967179798 5934359596 11868719192