Base | Representation |
---|---|
bin | 10001111111001001… |
… | …010110110000011101 |
3 | 1211211221212110222222 |
4 | 101333021112300131 |
5 | 304023113400000 |
6 | 12512225115125 |
7 | 1252411013306 |
oct | 217711266035 |
9 | 54757773888 |
10 | 19313028125 |
11 | 8210778976 |
12 | 38aba88aa5 |
13 | 1a8a27a4c1 |
14 | d12d7d7ad |
15 | 7807bda85 |
hex | 47f256c1d |
19313028125 has 48 divisors (see below), whose sum is σ = 25355877120. Its totient is φ = 14681040000.
The previous prime is 19313028103. The next prime is 19313028149. The reversal of 19313028125 is 52182031391.
It is not a de Polignac number, because 19313028125 - 232 = 15018060829 is a prime.
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 47 ways as a sum of consecutive naturals, for example, 12002321 + ... + 12003929.
It is an arithmetic number, because the mean of its divisors is an integer number (528247440).
Almost surely, 219313028125 is an apocalyptic number.
It is an amenable number.
19313028125 is a deficient number, since it is larger than the sum of its proper divisors (6042848995).
19313028125 is an equidigital number, since it uses as much as digits as its factorization.
19313028125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1824 (or 1804 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 35.
The spelling of 19313028125 in words is "nineteen billion, three hundred thirteen million, twenty-eight thousand, one hundred twenty-five".
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