Base | Representation |
---|---|
bin | 1001101000111101101… |
… | …10010000010101111001 |
3 | 1011122221222201110201000 |
4 | 10310132312100111321 |
5 | 20411324341132420 |
6 | 412055344515213 |
7 | 32634121503243 |
oct | 4643666202571 |
9 | 1148858643630 |
10 | 331230020985 |
11 | 1185237912a6 |
12 | 5424031bb09 |
13 | 25308c99876 |
14 | 12062a93093 |
15 | 89392a3690 |
hex | 4d1ed90579 |
331230020985 has 32 divisors (see below), whose sum is σ = 601382177280. Its totient is φ = 172897369344.
The previous prime is 331230020921. The next prime is 331230021053. The reversal of 331230020985 is 589020032133.
331230020985 is a `hidden beast` number, since 331 + 230 + 0 + 2 + 0 + 98 + 5 = 666.
It is not a de Polignac number, because 331230020985 - 26 = 331230020921 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26095312 + ... + 26108001.
It is an arithmetic number, because the mean of its divisors is an integer number (18793193040).
Almost surely, 2331230020985 is an apocalyptic number.
It is an amenable number.
331230020985 is a deficient number, since it is larger than the sum of its proper divisors (270152156295).
331230020985 is a wasteful number, since it uses less digits than its factorization.
331230020985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52203374 (or 52203368 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The spelling of 331230020985 in words is "three hundred thirty-one billion, two hundred thirty million, twenty thousand, nine hundred eighty-five".
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