Base | Representation |
---|---|
bin | 10001110010101111… |
… | …001110101101110111 |
3 | 1211022110011002012210 |
4 | 101302233032231313 |
5 | 303111320242410 |
6 | 12435431144503 |
7 | 1244302366314 |
oct | 216257165567 |
9 | 54273132183 |
10 | 19104852855 |
11 | 81142117a0 |
12 | 3852215133 |
13 | 1a560c007a |
14 | cd346dd0b |
15 | 76c39c220 |
hex | 472bceb77 |
19104852855 has 32 divisors (see below), whose sum is σ = 33364995840. Its totient is φ = 9257863680.
The previous prime is 19104852847. The next prime is 19104852869. The reversal of 19104852855 is 55825840191.
It is not a de Polignac number, because 19104852855 - 23 = 19104852847 is a prime.
It is a super-2 number, since 2×191048528552 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278136 + ... + 339954.
It is an arithmetic number, because the mean of its divisors is an integer number (1042656120).
Almost surely, 219104852855 is an apocalyptic number.
19104852855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
19104852855 is a deficient number, since it is larger than the sum of its proper divisors (14260142985).
19104852855 is a wasteful number, since it uses less digits than its factorization.
19104852855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63711.
The product of its (nonzero) digits is 576000, while the sum is 48.
The spelling of 19104852855 in words is "nineteen billion, one hundred four million, eight hundred fifty-two thousand, eight hundred fifty-five".
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