Base | Representation |
---|---|
bin | 10010100111010001… |
… | …11100011011111110 |
3 | 221210102220222111101 |
4 | 21103220330123332 |
5 | 130431223124310 |
6 | 4331340243314 |
7 | 502432413220 |
oct | 112350743376 |
9 | 27712828441 |
10 | 9993176830 |
11 | 426898472a |
12 | 1b2a84053a |
13 | c3346b8b0 |
14 | 6ab2a8410 |
15 | 3d74b143a |
hex | 253a3c6fe |
9993176830 has 32 divisors (see below), whose sum is σ = 22138732224. Its totient is φ = 3162675456.
The previous prime is 9993176819. The next prime is 9993176839. The reversal of 9993176830 is 386713999.
It is a super-3 number, since 3×99931768303 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9993176839) 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, 5489847 + ... + 5491666.
It is an arithmetic number, because the mean of its divisors is an integer number (691835382).
Almost surely, 29993176830 is an apocalyptic number.
9993176830 is an abundant number, since it is smaller than the sum of its proper divisors (12145555394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9993176830 is a wasteful number, since it uses less digits than its factorization.
9993176830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10981540.
The product of its (nonzero) digits is 2204496, while the sum is 55.
The square root of 9993176830 is about 99965.8783285577. The cubic root of 9993176830 is about 2153.9445760725.
The spelling of 9993176830 in words is "nine billion, nine hundred ninety-three million, one hundred seventy-six thousand, eight hundred thirty".
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