Base | Representation |
---|---|
bin | 1110011111101010010100… |
… | …10011010001000010110110 |
3 | 11011212010212201111222002120 |
4 | 13033311022103101002312 |
5 | 13134211324402240100 |
6 | 151442445501220410 |
7 | 6466556235045102 |
oct | 717651223210266 |
9 | 134763781458076 |
10 | 31874198868150 |
11 | a179854336581 |
12 | 36a9524861706 |
13 | 14a295499c562 |
14 | 7c2a10290902 |
15 | 3a41c389c0a0 |
hex | 1cfd4a4d10b6 |
31874198868150 has 48 divisors (see below), whose sum is σ = 79048559467200. Its totient is φ = 8499727625760.
The previous prime is 31874198868137. The next prime is 31874198868157. The reversal of 31874198868150 is 5186889147813.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31874198868157) 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 23 ways as a sum of consecutive naturals, for example, 23757981 + ... + 25063719.
It is an arithmetic number, because the mean of its divisors is an integer number (1646844988900).
Almost surely, 231874198868150 is an apocalyptic number.
31874198868150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31874198868150 is an abundant number, since it is smaller than the sum of its proper divisors (47174360599050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31874198868150 is a wasteful number, since it uses less digits than its factorization.
31874198868150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1468493 (or 1468488 counting only the distinct ones).
The product of its (nonzero) digits is 92897280, while the sum is 69.
The spelling of 31874198868150 in words is "thirty-one trillion, eight hundred seventy-four billion, one hundred ninety-eight million, eight hundred sixty-eight thousand, one hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •