Base | Representation |
---|---|
bin | 10010111110111110… |
… | …00011011111111110 |
3 | 222022021212201101212 |
4 | 21133133003133332 |
5 | 131333112122120 |
6 | 4403200004422 |
7 | 510364545656 |
oct | 113737033776 |
9 | 28267781355 |
10 | 10191910910 |
11 | 4360082575 |
12 | 1b85300712 |
13 | c656a191c |
14 | 6c983b366 |
15 | 3e9b6a6c5 |
hex | 25f7c37fe |
10191910910 has 16 divisors (see below), whose sum is σ = 18462292416. Its totient is φ = 4050797088.
The previous prime is 10191910853. The next prime is 10191910933. The reversal of 10191910910 is 1901919101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3244262 + ... + 3247401.
It is an arithmetic number, because the mean of its divisors is an integer number (1153893276).
Almost surely, 210191910910 is an apocalyptic number.
10191910910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10191910910 is a deficient number, since it is larger than the sum of its proper divisors (8270381506).
10191910910 is a wasteful number, since it uses less digits than its factorization.
10191910910 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6491827.
The product of its (nonzero) digits is 729, while the sum is 32.
The spelling of 10191910910 in words is "ten billion, one hundred ninety-one million, nine hundred ten thousand, nine hundred ten".
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