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11690481912 = 233487103413
BaseRepresentation
bin10101110001100111…
…01001100011111000
31010011201201000100120
422320303221203320
5142420230410122
65212011333240
7562462312434
oct127063514370
933151630316
1011690481912
114a59a770aa
122323151220
131143cb3625
147cc88b9c4
154864d175c
hex2b8ce98f8

11690481912 has 16 divisors (see below), whose sum is σ = 29226204840. Its totient is φ = 3896827296.

The previous prime is 11690481841. The next prime is 11690481931. The reversal of 11690481912 is 21918409611.

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, 243551683 + ... + 243551730.

Almost surely, 211690481912 is an apocalyptic number.

11690481912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11690481912 is an abundant number, since it is smaller than the sum of its proper divisors (17535722928).

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

11690481912 is a wasteful number, since it uses less digits than its factorization.

11690481912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487103422 (or 487103418 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The spelling of 11690481912 in words is "eleven billion, six hundred ninety million, four hundred eighty-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 487103413 974206826 1461310239 1948413652 2922620478 3896827304 5845240956 11690481912