Base | Representation |
---|---|
bin | 1110000001100100010… |
… | …11011010100111000010 |
3 | 1201001210220211102001000 |
4 | 13000302023122213002 |
5 | 30343341304044110 |
6 | 1005212145552430 |
7 | 46546251015522 |
oct | 7006213324702 |
9 | 1631726742030 |
10 | 481878190530 |
11 | 1763aa748860 |
12 | 79484045716 |
13 | 3659690baa9 |
14 | 19474569682 |
15 | c804c181c0 |
hex | 70322da9c2 |
481878190530 has 64 divisors (see below), whose sum is σ = 1401827472000. Its totient is φ = 116818954560.
The previous prime is 481878190501. The next prime is 481878190531. The reversal of 481878190530 is 35091878184.
481878190530 is a `hidden beast` number, since 4 + 8 + 18 + 7 + 8 + 1 + 90 + 530 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (481878190531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81121305 + ... + 81127244.
It is an arithmetic number, because the mean of its divisors is an integer number (21903554250).
Almost surely, 2481878190530 is an apocalyptic number.
481878190530 is an abundant number, since it is smaller than the sum of its proper divisors (919949281470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
481878190530 is a wasteful number, since it uses less digits than its factorization.
481878190530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162248576 (or 162248570 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 54.
The spelling of 481878190530 in words is "four hundred eighty-one billion, eight hundred seventy-eight million, one hundred ninety thousand, five hundred thirty".
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