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105970779812 = 2231854603063
BaseRepresentation
bin110001010110001011…
…0011100011010100100
3101010112021201101100202
41202230112130122210
53214012004423222
6120403213330032
710441024523552
oct1425426343244
9333467641322
10105970779812
1140a3a819377
1218655496918
139cba817451
1451b4024bd2
152b534ee892
hex18ac59c6a4

105970779812 has 12 divisors (see below), whose sum is σ = 191431086336. Its totient is φ = 51276183720.

The previous prime is 105970779787. The next prime is 105970779833. The reversal of 105970779812 is 218977079501.

It is a happy number.

It is a super-2 number, since 2×1059707798122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427301408 + ... + 427301655.

It is an arithmetic number, because the mean of its divisors is an integer number (15952590528).

Almost surely, 2105970779812 is an apocalyptic number.

It is an amenable number.

105970779812 is a deficient number, since it is larger than the sum of its proper divisors (85460306524).

105970779812 is a wasteful number, since it uses less digits than its factorization.

105970779812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854603098 (or 854603096 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 56.

The spelling of 105970779812 in words is "one hundred five billion, nine hundred seventy million, seven hundred seventy-nine thousand, eight hundred twelve".

Divisors: 1 2 4 31 62 124 854603063 1709206126 3418412252 26492694953 52985389906 105970779812