Base | Representation |
---|---|
bin | 111110100110010000… |
… | …110111110010011001 |
3 | 20102111020220102220110 |
4 | 332212100313302121 |
5 | 2100123232400410 |
6 | 50513324114533 |
7 | 4566424102131 |
oct | 764620676231 |
9 | 212436812813 |
10 | 67213950105 |
11 | 265615825a5 |
12 | 11039995a49 |
13 | 6452192c13 |
14 | 33789c3ac1 |
15 | 1b35c2e720 |
hex | fa6437c99 |
67213950105 has 16 divisors (see below), whose sum is σ = 108903617280. Its totient is φ = 35393674368.
The previous prime is 67213950059. The next prime is 67213950131. The reversal of 67213950105 is 50105931276.
It is not a de Polignac number, because 67213950105 - 217 = 67213819033 is a prime.
It is a super-2 number, since 2×672139501052 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28359132 + ... + 28361501.
It is an arithmetic number, because the mean of its divisors is an integer number (6806476080).
Almost surely, 267213950105 is an apocalyptic number.
It is an amenable number.
67213950105 is a deficient number, since it is larger than the sum of its proper divisors (41689667175).
67213950105 is a wasteful number, since it uses less digits than its factorization.
67213950105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56720720.
The product of its (nonzero) digits is 56700, while the sum is 39.
The spelling of 67213950105 in words is "sixty-seven billion, two hundred thirteen million, nine hundred fifty thousand, one hundred five".
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