Base | Representation |
---|---|
bin | 1100110110011… |
… | …10101110111011 |
3 | 21111211212220022 |
4 | 12123032232323 |
5 | 210044122111 |
6 | 14410321055 |
7 | 2446204115 |
oct | 633165673 |
9 | 244755808 |
10 | 107801531 |
11 | 5593a982 |
12 | 3012918b |
13 | 194457b6 |
14 | 104623b5 |
15 | 96e62db |
hex | 66cebbb |
107801531 has 2 divisors, whose sum is σ = 107801532. Its totient is φ = 107801530.
The previous prime is 107801527. The next prime is 107801557. The reversal of 107801531 is 135108701.
It is an a-pointer prime, because the next prime (107801557) can be obtained adding 107801531 to its sum of digits (26).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 107801531 - 22 = 107801527 is a prime.
It is a super-2 number, since 2×1078015312 = 23242340171887922, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 107801531.
It is not a weakly prime, because it can be changed into another prime (107801581) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53900765 + 53900766.
It is an arithmetic number, because the mean of its divisors is an integer number (53900766).
Almost surely, 2107801531 is an apocalyptic number.
107801531 is a deficient number, since it is larger than the sum of its proper divisors (1).
107801531 is an equidigital number, since it uses as much as digits as its factorization.
107801531 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 26.
The square root of 107801531 is about 10382.7516102428. The cubic root of 107801531 is about 475.9284238468.
The spelling of 107801531 in words is "one hundred seven million, eight hundred one thousand, five hundred thirty-one".
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