Base | Representation |
---|---|
bin | 100110101101011111… |
… | …1101001101000110100 |
3 | 21221120112200001022202 |
4 | 1031122333221220310 |
5 | 2330223014414214 |
6 | 102105002044032 |
7 | 6002030646245 |
oct | 1153277515064 |
9 | 257515601282 |
10 | 83131013684 |
11 | 3228a320aa4 |
12 | 141404a9618 |
13 | 7aba9cb334 |
14 | 4048926ccc |
15 | 22682e16de |
hex | 135afe9a34 |
83131013684 has 24 divisors (see below), whose sum is σ = 152029815168. Its totient is φ = 39735057600.
The previous prime is 83131013597. The next prime is 83131013687. The reversal of 83131013684 is 48631013138.
It is a super-2 number, since 2×831310136842 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83131013687) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133617 + ... + 5149784.
It is an arithmetic number, because the mean of its divisors is an integer number (6334575632).
Almost surely, 283131013684 is an apocalyptic number.
It is an amenable number.
83131013684 is a deficient number, since it is larger than the sum of its proper divisors (68898801484).
83131013684 is a wasteful number, since it uses less digits than its factorization.
83131013684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10283495 (or 10283493 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 38.
The spelling of 83131013684 in words is "eighty-three billion, one hundred thirty-one million, thirteen thousand, six hundred eighty-four".
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