Base | Representation |
---|---|
bin | 1100110111010… |
… | …10001100000011 |
3 | 21112001121011100 |
4 | 12123222030003 |
5 | 210111221422 |
6 | 14412545443 |
7 | 2450153016 |
oct | 633521403 |
9 | 245047140 |
10 | 107913987 |
11 | 55a07415 |
12 | 30182283 |
13 | 19484a3c |
14 | 1049137d |
15 | 97197ac |
hex | 66ea303 |
107913987 has 12 divisors (see below), whose sum is σ = 156834184. Its totient is φ = 71500320.
The previous prime is 107913979. The next prime is 107914003. The reversal of 107913987 is 789319701.
It is not a de Polignac number, because 107913987 - 23 = 107913979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (107913947) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 35314 + ... + 38247.
Almost surely, 2107913987 is an apocalyptic number.
107913987 is a deficient number, since it is larger than the sum of its proper divisors (48920197).
107913987 is a wasteful number, since it uses less digits than its factorization.
107913987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73730 (or 73727 counting only the distinct ones).
The product of its (nonzero) digits is 95256, while the sum is 45.
The square root of 107913987 is about 10388.1657187398. The cubic root of 107913987 is about 476.0938587483.
It can be divided in two parts, 107913 and 987, that added together give a square (108900 = 3302).
The spelling of 107913987 in words is "one hundred seven million, nine hundred thirteen thousand, nine hundred eighty-seven".
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