Base | Representation |
---|---|
bin | 10001000110001110… |
… | …01110011001100010 |
3 | 212200200222002120020 |
4 | 20203013032121202 |
5 | 122244312444023 |
6 | 4114454254310 |
7 | 443315322504 |
oct | 104307163142 |
9 | 25620862506 |
10 | 9179031138 |
11 | 3990361a52 |
12 | 1942057396 |
13 | b338a5194 |
14 | 6310d9d74 |
15 | 38ac92de3 |
hex | 2231ce662 |
9179031138 has 16 divisors (see below), whose sum is σ = 19324276320. Its totient is φ = 2898641376.
The previous prime is 9179031101. The next prime is 9179031167. The reversal of 9179031138 is 8311309719.
It is a super-2 number, since 2×91790311382 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 9179031138.
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, 40258795 + ... + 40259022.
It is an arithmetic number, because the mean of its divisors is an integer number (1207767270).
Almost surely, 29179031138 is an apocalyptic number.
9179031138 is an abundant number, since it is smaller than the sum of its proper divisors (10145245182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9179031138 is a wasteful number, since it uses less digits than its factorization.
9179031138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80517841.
The product of its (nonzero) digits is 40824, while the sum is 42.
The square root of 9179031138 is about 95807.2603616240. The cubic root of 9179031138 is about 2093.7859491349.
The spelling of 9179031138 in words is "nine billion, one hundred seventy-nine million, thirty-one thousand, one hundred thirty-eight".
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