Base | Representation |
---|---|
bin | 110010010100101101… |
… | …0000101001010111101 |
3 | 101022221111200011212000 |
4 | 1210221122011022331 |
5 | 3232311113311211 |
6 | 121351323132513 |
7 | 10544022240045 |
oct | 1445132051275 |
9 | 338844604760 |
10 | 108068885181 |
11 | 41917082a54 |
12 | 18b40074139 |
13 | a2633c0b0a |
14 | 533293a725 |
15 | 2c277e0656 |
hex | 19296852bd |
108068885181 has 16 divisors (see below), whose sum is σ = 160436313600. Its totient is φ = 71895505824.
The previous prime is 108068885179. The next prime is 108068885203. The reversal of 108068885181 is 181588860801.
It is not a de Polignac number, because 108068885181 - 21 = 108068885179 is a prime.
It is a super-2 number, since 2×1080688851812 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108068385181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4165096 + ... + 4190961.
It is an arithmetic number, because the mean of its divisors is an integer number (10027269600).
Almost surely, 2108068885181 is an apocalyptic number.
It is an amenable number.
108068885181 is a deficient number, since it is larger than the sum of its proper divisors (52367428419).
108068885181 is an equidigital number, since it uses as much as digits as its factorization.
108068885181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8356545 (or 8356539 counting only the distinct ones).
The product of its (nonzero) digits is 983040, while the sum is 54.
The spelling of 108068885181 in words is "one hundred eight billion, sixty-eight million, eight hundred eighty-five thousand, one hundred eighty-one".
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