Base | Representation |
---|---|
bin | 1100110001010… |
… | …00110011111000 |
3 | 21110120100122020 |
4 | 12120220303320 |
5 | 204410400122 |
6 | 14343554440 |
7 | 2440343532 |
oct | 630506370 |
9 | 243510566 |
10 | 107121912 |
11 | 55516307 |
12 | 2ba5ba20 |
13 | 19268361 |
14 | 10326852 |
15 | 960ec5c |
hex | 6628cf8 |
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".
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