Base | Representation |
---|---|
bin | 10010110010111100… |
… | …01001010001010101 |
3 | 222001021000101011010 |
4 | 21121132021101111 |
5 | 131131244242414 |
6 | 4345153202433 |
7 | 505031106426 |
oct | 113136112125 |
9 | 28037011133 |
10 | 10091009109 |
11 | 4309125555 |
12 | 1b57560419 |
13 | c4a80380c |
14 | 6ba29364d |
15 | 3e0d88959 |
hex | 259789455 |
10091009109 has 16 divisors (see below), whose sum is σ = 13630966272. Its totient is φ = 6639364848.
The previous prime is 10091009101. The next prime is 10091009111. The reversal of 10091009109 is 90190019001.
It is not a de Polignac number, because 10091009109 - 23 = 10091009101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10091009101) 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, 224154 + ... + 265380.
It is an arithmetic number, because the mean of its divisors is an integer number (851935392).
Almost surely, 210091009109 is an apocalyptic number.
It is an amenable number.
10091009109 is a deficient number, since it is larger than the sum of its proper divisors (3539957163).
10091009109 is an equidigital number, since it uses as much as digits as its factorization.
10091009109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42296.
The product of its (nonzero) digits is 729, while the sum is 30.
The spelling of 10091009109 in words is "ten billion, ninety-one million, nine thousand, one hundred nine".
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