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195230013942 = 231093271310973
BaseRepresentation
bin1011010111010010011…
…1011001100111110110
3200122220220201021202010
42311310213121213312
511144312340421232
6225404252425050
720050660511055
oct2656447314766
9618826637663
10195230013942
1175884287067
1231a06178186
1315544026012
1496407b639c
1551298050cc
hex2d749d99f6

195230013942 has 32 divisors (see below), whose sum is σ = 390996947808. Its totient is φ = 64987243776.

The previous prime is 195230013917. The next prime is 195230013959. The reversal of 195230013942 is 249310032591.

It is a super-2 number, since 2×1952300139422 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195230013942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17786368 + ... + 17797340.

It is an arithmetic number, because the mean of its divisors is an integer number (12218654619).

Almost surely, 2195230013942 is an apocalyptic number.

195230013942 is an abundant number, since it is smaller than the sum of its proper divisors (195766933866).

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

195230013942 is a wasteful number, since it uses less digits than its factorization.

195230013942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14784.

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 195230013942 in words is "one hundred ninety-five billion, two hundred thirty million, thirteen thousand, nine hundred forty-two".

Divisors: 1 2 3 6 1093 2186 2713 3279 5426 6558 8139 10973 16278 21946 32919 65838 2965309 5930618 8895927 11993489 17791854 23986978 29769749 35980467 59539498 71960934 89309247 178618494 32538335657 65076671314 97615006971 195230013942