Base | Representation |
---|---|
bin | 1011000100101000010… |
… | …01100001100101101100 |
3 | 1100100222200221220010102 |
4 | 11202110021201211230 |
5 | 22213121304200032 |
6 | 450434542130232 |
7 | 36325503066560 |
oct | 5422411414554 |
9 | 1310880856112 |
10 | 380442646892 |
11 | 137387a57560 |
12 | 61895580978 |
13 | 29b4c887559 |
14 | 145b09c36a0 |
15 | 9d69967362 |
hex | 589426196c |
380442646892 has 48 divisors (see below), whose sum is σ = 837814295808. Its totient is φ = 146839120320.
The previous prime is 380442646891. The next prime is 380442647023. The reversal of 380442646892 is 298646244083.
It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (380442646891) 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, 5739023 + ... + 5804934.
It is an arithmetic number, because the mean of its divisors is an integer number (17454464496).
Almost surely, 2380442646892 is an apocalyptic number.
It is an amenable number.
380442646892 is an abundant number, since it is smaller than the sum of its proper divisors (457371648916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380442646892 is a wasteful number, since it uses less digits than its factorization.
380442646892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11544086 (or 11544084 counting only the distinct ones).
The product of its (nonzero) digits is 15925248, while the sum is 56.
The spelling of 380442646892 in words is "three hundred eighty billion, four hundred forty-two million, six hundred forty-six thousand, eight hundred ninety-two".
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