Base | Representation |
---|---|
bin | 10001110011101100… |
… | …100011000001101001 |
3 | 1211100120101201120000 |
4 | 101303230203001221 |
5 | 303124424124300 |
6 | 12441203453213 |
7 | 1244556124230 |
oct | 216354430151 |
9 | 54316351500 |
10 | 19120926825 |
11 | 81222a0370 |
12 | 3857687209 |
13 | 1a5952a4b0 |
14 | cd5655b17 |
15 | 76d9c4c00 |
hex | 473b23069 |
19120926825 has 240 divisors, whose sum is σ = 47560039296. Its totient is φ = 7334323200.
The previous prime is 19120926791. The next prime is 19120926841. The reversal of 19120926825 is 52862902191.
It is a happy number.
It is not a de Polignac number, because 19120926825 - 26 = 19120926761 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 2022309 + ... + 2031741.
Almost surely, 219120926825 is an apocalyptic number.
19120926825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19120926825 is an abundant number, since it is smaller than the sum of its proper divisors (28439112471).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19120926825 is a wasteful number, since it uses less digits than its factorization.
19120926825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9486 (or 9472 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The spelling of 19120926825 in words is "nineteen billion, one hundred twenty million, nine hundred twenty-six thousand, eight hundred twenty-five".
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