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111870668 = 22713307337
BaseRepresentation
bin1101010101100…
…00001011001100
321210111121201002
412222300023030
5212114330133
615033435432
72525612360
oct652601314
9253447632
10111870668
115816a0a8
123156bb78
131a23b980
1410c012a0
159c4bce8
hex6ab02cc

111870668 has 24 divisors (see below), whose sum is σ = 240952992. Its totient is φ = 44256384.

The previous prime is 111870631. The next prime is 111870677. The reversal of 111870668 is 866078111.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 153305 + ... + 154032.

It is an arithmetic number, because the mean of its divisors is an integer number (10039708).

Almost surely, 2111870668 is an apocalyptic number.

It is an amenable number.

111870668 is an abundant number, since it is smaller than the sum of its proper divisors (129082324).

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

111870668 is a wasteful number, since it uses less digits than its factorization.

111870668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307361 (or 307359 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 111870668 is about 10576.8931166009. The cubic root of 111870668 is about 481.8428405861.

The spelling of 111870668 in words is "one hundred eleven million, eight hundred seventy thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 307337 614674 1229348 2151359 3995381 4302718 7990762 8605436 15981524 27967667 55935334 111870668