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107121912 = 2334463413
BaseRepresentation
bin1100110001010…
…00110011111000
321110120100122020
412120220303320
5204410400122
614343554440
72440343532
oct630506370
9243510566
10107121912
1155516307
122ba5ba20
1319268361
1410326852
15960ec5c
hex6628cf8

107121912 has 16 divisors (see below), whose sum is σ = 267804840. Its totient is φ = 35707296.

The previous prime is 107121907. The next prime is 107121923. The reversal of 107121912 is 219121701.

It is a super-2 number, since 2×1071219122 = 22950208061071488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 4463413 = 107121912 / (1 + 0 + 7 + 1 + 2 + 1 + 9 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231683 + ... + 2231730.

Almost surely, 2107121912 is an apocalyptic number.

107121912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

107121912 is an abundant number, since it is smaller than the sum of its proper divisors (160682928).

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

107121912 is a wasteful number, since it uses less digits than its factorization.

107121912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463422 (or 4463418 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 107121912 is about 10349.9715941639. The cubic root of 107121912 is about 474.9261743067.

The spelling of 107121912 in words is "one hundred seven million, one hundred twenty-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 4463413 8926826 13390239 17853652 26780478 35707304 53560956 107121912