Base | Representation |
---|---|
bin | 11100100011011111… |
… | …10111000100100110 |
3 | 1110120101101000212111 |
4 | 32101233313010212 |
5 | 222344004111200 |
6 | 11013110111234 |
7 | 1051616035660 |
oct | 162157670446 |
9 | 43511330774 |
10 | 15330144550 |
11 | 6557515556 |
12 | 2b7a04b51a |
13 | 15a406c866 |
14 | a56003530 |
15 | 5eacca0ba |
hex | 391bf7126 |
15330144550 has 48 divisors (see below), whose sum is σ = 32626170720. Its totient is φ = 5249813760.
The previous prime is 15330144539. The next prime is 15330144601. The reversal of 15330144550 is 5544103351.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274396 + ... + 325504.
It is an arithmetic number, because the mean of its divisors is an integer number (679711890).
Almost surely, 215330144550 is an apocalyptic number.
15330144550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15330144550 is an abundant number, since it is smaller than the sum of its proper divisors (17296026170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15330144550 is a wasteful number, since it uses less digits than its factorization.
15330144550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51985 (or 51980 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 31.
The spelling of 15330144550 in words is "fifteen billion, three hundred thirty million, one hundred forty-four thousand, five hundred fifty".
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