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105141212012 = 22231142839261
BaseRepresentation
bin110000111101011100…
…1111001001101101100
3101001101110201222021102
41201322321321031230
53210312122241022
6120145021022232
710411332361544
oct1417271711554
9331343658242
10105141212012
1140654522851
12184636b4978
139bb79b1225
145135ba0324
152b05786a92
hex187ae7936c

105141212012 has 12 divisors (see below), whose sum is σ = 191996996016. Its totient is φ = 50284927440.

The previous prime is 105141211991. The next prime is 105141212039. The reversal of 105141212012 is 210212141501.

It is a super-2 number, since 2×1051412120122 (a number of 23 digits) contains 22 as substring.

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, 571419539 + ... + 571419722.

It is an arithmetic number, because the mean of its divisors is an integer number (15999749668).

Almost surely, 2105141212012 is an apocalyptic number.

It is an amenable number.

105141212012 is a deficient number, since it is larger than the sum of its proper divisors (86855784004).

105141212012 is a wasteful number, since it uses less digits than its factorization.

105141212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142839288 (or 1142839286 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 105141212012 its reverse (210212141501), we get a palindrome (315353353513).

The spelling of 105141212012 in words is "one hundred five billion, one hundred forty-one million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 23 46 92 1142839261 2285678522 4571357044 26285303003 52570606006 105141212012