Base | Representation |
---|---|
bin | 100110101011111011… |
… | …1010111011011111011 |
3 | 21221102212212121021010 |
4 | 1031113313113123323 |
5 | 2330121044312311 |
6 | 102055444445003 |
7 | 6000522454245 |
oct | 1152767273373 |
9 | 257385777233 |
10 | 83078510331 |
11 | 322627204a3 |
12 | 141269a9763 |
13 | 7aacb7766b |
14 | 404197b095 |
15 | 22638beda6 |
hex | 1357dd76fb |
83078510331 has 16 divisors (see below), whose sum is σ = 111236630400. Its totient is φ = 55153128000.
The previous prime is 83078510323. The next prime is 83078510369. The reversal of 83078510331 is 13301587038.
It is not a de Polignac number, because 83078510331 - 23 = 83078510323 is a prime.
It is a super-3 number, since 3×830785103313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 83078510331.
It is not an unprimeable number, because it can be changed into a prime (83078510311) 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, 4752495 + ... + 4769943.
It is an arithmetic number, because the mean of its divisors is an integer number (6952289400).
Almost surely, 283078510331 is an apocalyptic number.
83078510331 is a deficient number, since it is larger than the sum of its proper divisors (28158120069).
83078510331 is a wasteful number, since it uses less digits than its factorization.
83078510331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24026.
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 83078510331 in words is "eighty-three billion, seventy-eight million, five hundred ten thousand, three hundred thirty-one".
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