Base | Representation |
---|---|
bin | 100011110111100011… |
… | …111111011111001000 |
3 | 10200102001021111222102 |
4 | 203313203333133020 |
5 | 1112333331131200 |
6 | 25405342212532 |
7 | 2532251223623 |
oct | 436743773710 |
9 | 120361244872 |
10 | 38513145800 |
11 | 15373737518 |
12 | 7569b84148 |
13 | 382a01398c |
14 | 1c14d2adba |
15 | 10061d76d5 |
hex | 8f78ff7c8 |
38513145800 has 48 divisors (see below), whose sum is σ = 93436251840. Its totient is φ = 14735462720.
The previous prime is 38513145767. The next prime is 38513145809. The reversal of 38513145800 is 854131583.
It is not an unprimeable number, because it can be changed into a prime (38513145809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4181612 + ... + 4190811.
It is an arithmetic number, because the mean of its divisors is an integer number (1946588580).
Almost surely, 238513145800 is an apocalyptic number.
It is an amenable number.
38513145800 is an abundant number, since it is smaller than the sum of its proper divisors (54923106040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38513145800 is a wasteful number, since it uses less digits than its factorization.
38513145800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8372462 (or 8372453 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 38.
The spelling of 38513145800 in words is "thirty-eight billion, five hundred thirteen million, one hundred forty-five thousand, eight hundred".
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