Base | Representation |
---|---|
bin | 100110111010100010… |
… | …1000010010000110001 |
3 | 21222201001010102000011 |
4 | 1031311011002100301 |
5 | 2332122032223011 |
6 | 102220233454521 |
7 | 6015623442046 |
oct | 1156505022061 |
9 | 258631112004 |
10 | 83568632881 |
11 | 32494350858 |
12 | 14242b71441 |
13 | 7b5a5818c6 |
14 | 408aac11cd |
15 | 2291936621 |
hex | 1375142431 |
83568632881 has 8 divisors (see below), whose sum is σ = 90804627200. Its totient is φ = 76616403120.
The previous prime is 83568632879. The next prime is 83568632923. The reversal of 83568632881 is 18823686538.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 83568632881 - 21 = 83568632879 is a prime.
It is a super-2 number, since 2×835686328812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83568632831) 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, 70940526 + ... + 70941703.
It is an arithmetic number, because the mean of its divisors is an integer number (11350578400).
Almost surely, 283568632881 is an apocalyptic number.
It is an amenable number.
83568632881 is a deficient number, since it is larger than the sum of its proper divisors (7235994319).
83568632881 is a wasteful number, since it uses less digits than its factorization.
83568632881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141882279.
The product of its digits is 13271040, while the sum is 58.
The spelling of 83568632881 in words is "eighty-three billion, five hundred sixty-eight million, six hundred thirty-two thousand, eight hundred eighty-one".
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