Base | Representation |
---|---|
bin | 100011011100101001… |
… | …010100001100000000 |
3 | 10122020120112101220001 |
4 | 203130221110030000 |
5 | 1110422224301410 |
6 | 25252451125344 |
7 | 2515125614653 |
oct | 433451241400 |
9 | 118216471801 |
10 | 38061556480 |
11 | 15161835802 |
12 | 74628a3854 |
13 | 37875ab76c |
14 | 1bb0d7789a |
15 | ecb73333a |
hex | 8dca54300 |
38061556480 has 72 divisors (see below), whose sum is σ = 91206705744. Its totient is φ = 15218380800.
The previous prime is 38061556459. The next prime is 38061556487. The reversal of 38061556480 is 8465516083.
It is a self number, because there is not a number n which added to its sum of digits gives 38061556480.
It is not an unprimeable number, because it can be changed into a prime (38061556487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4310470 + ... + 4319290.
It is an arithmetic number, because the mean of its divisors is an integer number (1266759802).
Almost surely, 238061556480 is an apocalyptic number.
It is an amenable number.
38061556480 is an abundant number, since it is smaller than the sum of its proper divisors (53145149264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38061556480 is an equidigital number, since it uses as much as digits as its factorization.
38061556480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12213 (or 12199 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 46.
The spelling of 38061556480 in words is "thirty-eight billion, sixty-one million, five hundred fifty-six thousand, four hundred eighty".
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