Base | Representation |
---|---|
bin | 100110101011010100… |
… | …0101100000101000100 |
3 | 21221101110001202022210 |
4 | 1031112220230011010 |
5 | 2330100304314013 |
6 | 102053430423420 |
7 | 6000152243463 |
oct | 1152650540504 |
9 | 257343052283 |
10 | 83057885508 |
11 | 32252013794 |
12 | 1411bb01b70 |
13 | 7aa8805a20 |
14 | 403cd2c9da |
15 | 2261b98cc3 |
hex | 1356a2c144 |
83057885508 has 48 divisors (see below), whose sum is σ = 208740470400. Its totient is φ = 25552487424.
The previous prime is 83057885461. The next prime is 83057885557. The reversal of 83057885508 is 80558875038.
It is a super-2 number, since 2×830578855082 (a number of 23 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, 1127593 + ... + 1198991.
It is an arithmetic number, because the mean of its divisors is an integer number (4348759800).
Almost surely, 283057885508 is an apocalyptic number.
It is an amenable number.
83057885508 is an abundant number, since it is smaller than the sum of its proper divisors (125682584892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83057885508 is a wasteful number, since it uses less digits than its factorization.
83057885508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78876 (or 78874 counting only the distinct ones).
The product of its (nonzero) digits is 10752000, while the sum is 57.
The spelling of 83057885508 in words is "eighty-three billion, fifty-seven million, eight hundred eighty-five thousand, five hundred eight".
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