Base | Representation |
---|---|
bin | 100110101001111001… |
… | …0111011111001000100 |
3 | 21221021010102010001212 |
4 | 1031103302323321010 |
5 | 2330001110140233 |
6 | 102045005310552 |
7 | 5666033253500 |
oct | 1152362737104 |
9 | 257233363055 |
10 | 83010240068 |
11 | 32228130a98 |
12 | 14107b65458 |
13 | 7a9b993262 |
14 | 4036889300 |
15 | 225c8d6a48 |
hex | 1353cbbe44 |
83010240068 has 18 divisors (see below), whose sum is σ = 168985131966. Its totient is φ = 35575817088.
The previous prime is 83010240017. The next prime is 83010240073. The reversal of 83010240068 is 86004201038.
It can be written as a sum of positive squares in only one way, i.e., 82594161664 + 416078404 = 287392^2 + 20398^2 .
It is a super-2 number, since 2×830102400682 (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 5 ways as a sum of consecutive naturals, for example, 211760621 + ... + 211761012.
It is an arithmetic number, because the mean of its divisors is an integer number (9388062887).
Almost surely, 283010240068 is an apocalyptic number.
It is an amenable number.
83010240068 is an abundant number, since it is smaller than the sum of its proper divisors (85974891898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83010240068 is a wasteful number, since it uses less digits than its factorization.
83010240068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423521651 (or 423521642 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 32.
The spelling of 83010240068 in words is "eighty-three billion, ten million, two hundred forty thousand, sixty-eight".
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