Base | Representation |
---|---|
bin | 100011111110110001… |
… | …110100111111010100 |
3 | 10200201111002101102002 |
4 | 203332301310333110 |
5 | 1113110324311312 |
6 | 25425345134432 |
7 | 2535251252321 |
oct | 437661647724 |
9 | 120644071362 |
10 | 38634213332 |
11 | 15426008330 |
12 | 75a262a418 |
13 | 3849122780 |
14 | 1c27043b48 |
15 | 1011b4e4c2 |
hex | 8fec74fd4 |
38634213332 has 48 divisors (see below), whose sum is σ = 79451115072. Its totient is φ = 16205806080.
The previous prime is 38634213281. The next prime is 38634213341. The reversal of 38634213332 is 23331243683.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2986823 + ... + 2999729.
It is an arithmetic number, because the mean of its divisors is an integer number (1655231564).
Almost surely, 238634213332 is an apocalyptic number.
It is an amenable number.
38634213332 is an abundant number, since it is smaller than the sum of its proper divisors (40816901740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38634213332 is a wasteful number, since it uses less digits than its factorization.
38634213332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18168 (or 18166 counting only the distinct ones).
The product of its digits is 186624, while the sum is 38.
The spelling of 38634213332 in words is "thirty-eight billion, six hundred thirty-four million, two hundred thirteen thousand, three hundred thirty-two".
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