Base | Representation |
---|---|
bin | 1011000100101000010… |
… | …01100001110100101010 |
3 | 1100100222200221221102220 |
4 | 11202110021201310222 |
5 | 22213121304212400 |
6 | 450434542134510 |
7 | 36325503102426 |
oct | 5422411416452 |
9 | 1310880857386 |
10 | 380442647850 |
11 | 137387a58251 |
12 | 61895581436 |
13 | 29b4c887b15 |
14 | 145b09c3b86 |
15 | 9d699677a0 |
hex | 5894261d2a |
380442647850 has 96 divisors (see below), whose sum is σ = 956203959744. Its totient is φ = 100094092800.
The previous prime is 380442647831. The next prime is 380442647857. The reversal of 380442647850 is 58746244083.
It is a junction number, because it is equal to n+sod(n) for n = 380442647793 and 380442647802.
It is not an unprimeable number, because it can be changed into a prime (380442647857) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3343494 + ... + 3455406.
It is an arithmetic number, because the mean of its divisors is an integer number (9960457914).
Almost surely, 2380442647850 is an apocalyptic number.
380442647850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 380442647850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478101979872).
380442647850 is an abundant number, since it is smaller than the sum of its proper divisors (575761311894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380442647850 is a wasteful number, since it uses less digits than its factorization.
380442647850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112232 (or 112227 counting only the distinct ones).
The product of its (nonzero) digits is 5160960, while the sum is 51.
The spelling of 380442647850 in words is "three hundred eighty billion, four hundred forty-two million, six hundred forty-seven thousand, eight hundred fifty".
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