Base | Representation |
---|---|
bin | 100011111110100111… |
… | …000001010000100000 |
3 | 10200201021202102210212 |
4 | 203332213001100200 |
5 | 1113104113130000 |
6 | 25425204313252 |
7 | 2535215212013 |
oct | 437647012040 |
9 | 120637672725 |
10 | 38631380000 |
11 | 15424452634 |
12 | 75a16a2828 |
13 | 384866cc45 |
14 | 1c2690737a |
15 | 101178ec35 |
hex | 8fe9c1420 |
38631380000 has 60 divisors (see below), whose sum is σ = 95039038710. Its totient is φ = 15452544000.
The previous prime is 38631379973. The next prime is 38631380017. The reversal of 38631380000 is 8313683.
It is a happy number.
It can be written as a sum of positive squares in 5 ways, for example, as 194993296 + 38436386704 = 13964^2 + 196052^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 945785 + ... + 985784.
Almost surely, 238631380000 is an apocalyptic number.
It is an amenable number.
38631380000 is an abundant number, since it is smaller than the sum of its proper divisors (56407658710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38631380000 is an equidigital number, since it uses as much as digits as its factorization.
38631380000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1931599 (or 1931576 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
Adding to 38631380000 its reverse (8313683), we get a palindrome (38639693683).
The spelling of 38631380000 in words is "thirty-eight billion, six hundred thirty-one million, three hundred eighty thousand".
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