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100211212112 = 24111912981057
BaseRepresentation
bin101110101010100001…
…1011011111101010000
3100120122220002000210112
41131111003123331100
53120213032241422
6114011510020452
710145220151154
oct1352503337520
9316586060715
10100211212112
1139554686970
1217508647728
1395b04c121b
144bc9121064
152917a5aee2
hex17550dbf50

100211212112 has 40 divisors (see below), whose sum is σ = 212919086592. Its totient is φ = 45312051200.

The previous prime is 100211212027. The next prime is 100211212151. The reversal of 100211212112 is 211212112001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456913 + ... + 1524144.

Almost surely, 2100211212112 is an apocalyptic number.

It is an amenable number.

100211212112 is an abundant number, since it is smaller than the sum of its proper divisors (112707874480).

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

100211212112 is a wasteful number, since it uses less digits than its factorization.

100211212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981267 (or 2981261 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100211212112 its reverse (211212112001), we get a palindrome (311423324113).

The spelling of 100211212112 in words is "one hundred billion, two hundred eleven million, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 191 382 764 1528 2101 3056 4202 8404 16808 33616 2981057 5962114 11924228 23848456 32791627 47696912 65583254 131166508 262333016 524666032 569381887 1138763774 2277527548 4555055096 6263200757 9110110192 12526401514 25052803028 50105606056 100211212112