Base | Representation |
---|---|
bin | 100011100001100111… |
… | …001000100111100000 |
3 | 10122110101022012202120 |
4 | 203201213020213200 |
5 | 1111110041332010 |
6 | 25305024544240 |
7 | 2520160024044 |
oct | 434147104740 |
9 | 118411265676 |
10 | 38144870880 |
11 | 151a4870086 |
12 | 7486782080 |
13 | 379b92c61c |
14 | 1bbc064024 |
15 | ed3bdde70 |
hex | 8e19c89e0 |
38144870880 has 48 divisors (see below), whose sum is σ = 120156344784. Its totient is φ = 10171965440.
The previous prime is 38144870867. The next prime is 38144870899. The reversal of 38144870880 is 8807844183.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-3 number, since 3×381448708803 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
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, 39733761 + ... + 39734720.
It is an arithmetic number, because the mean of its divisors is an integer number (2503257183).
Almost surely, 238144870880 is an apocalyptic number.
38144870880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38144870880 is an abundant number, since it is smaller than the sum of its proper divisors (82011473904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38144870880 is a wasteful number, since it uses less digits than its factorization.
38144870880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79468499 (or 79468491 counting only the distinct ones).
The product of its (nonzero) digits is 1376256, while the sum is 51.
The spelling of 38144870880 in words is "thirty-eight billion, one hundred forty-four million, eight hundred seventy thousand, eight hundred eighty".
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