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192015012 = 22372285893
BaseRepresentation
bin10110111000111…
…10101010100100
3111101022101002010
423130132222210
5343123440022
631015314220
74521046350
oct1334365244
9441271063
10192015012
11994297a2
125437b970
1330a1c967
141b704460
1511ccd50c
hexb71eaa4

192015012 has 24 divisors (see below), whose sum is σ = 512040256. Its totient is φ = 54861408.

The previous prime is 192015011. The next prime is 192015041. The reversal of 192015012 is 210510291.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 192015012.

It is not an unprimeable number, because it can be changed into a prime (192015011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142863 + ... + 1143030.

Almost surely, 2192015012 is an apocalyptic number.

192015012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

192015012 is an abundant number, since it is smaller than the sum of its proper divisors (320025244).

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

192015012 is a wasteful number, since it uses less digits than its factorization.

192015012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285907 (or 2285905 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 192015012 is about 13856.9481488530. The cubic root of 192015012 is about 576.9148631829.

The spelling of 192015012 in words is "one hundred ninety-two million, fifteen thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2285893 4571786 6857679 9143572 13715358 16001251 27430716 32002502 48003753 64005004 96007506 192015012