Base | Representation |
---|---|
bin | 101100001001011110100011… |
… | …0110100000110110010100100 |
3 | 1212220222001022010000220201102 |
4 | 1120102331012310012302210 |
5 | 401344402140432213020 |
6 | 3453524350213215232 |
7 | 144536651445435242 |
oct | 13022750664066244 |
9 | 1786861263026642 |
10 | 388330656132260 |
11 | 102809119699a96 |
12 | 376790bb031518 |
13 | 1388b567c720ca |
14 | 6bc7438411792 |
15 | 2ed6588e00475 |
hex | 1612f46d06ca4 |
388330656132260 has 24 divisors (see below), whose sum is σ = 835384484657016. Its totient is φ = 151543670685440.
The previous prime is 388330656132259. The next prime is 388330656132319. The reversal of 388330656132260 is 62231656033883.
It can be written as a sum of positive squares in 4 ways, for example, as 2131202898496 + 386199453233764 = 1459864^2 + 19651958^2 .
It is a super-2 number, since 2×3883306561322602 (a number of 30 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 388330656132196 and 388330656132205.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236786984627 + ... + 236786986266.
It is an arithmetic number, because the mean of its divisors is an integer number (34807686860709).
Almost surely, 2388330656132260 is an apocalyptic number.
It is an amenable number.
388330656132260 is an abundant number, since it is smaller than the sum of its proper divisors (447053828524756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388330656132260 is a wasteful number, since it uses less digits than its factorization.
388330656132260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473573970943 (or 473573970941 counting only the distinct ones).
The product of its (nonzero) digits is 22394880, while the sum is 56.
The spelling of 388330656132260 in words is "three hundred eighty-eight trillion, three hundred thirty billion, six hundred fifty-six million, one hundred thirty-two thousand, two hundred sixty".
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