Base | Representation |
---|---|
bin | 10010010110000111… |
… | …111100011101110100 |
3 | 1212211211021012222222 |
4 | 102112013330131310 |
5 | 310320311044020 |
6 | 13014355541512 |
7 | 1265101531016 |
oct | 222607743564 |
9 | 55754235888 |
10 | 19698534260 |
11 | 8399344389 |
12 | 3998bba898 |
13 | 1b1c0b5942 |
14 | d4c2501b6 |
15 | 7a456cb25 |
hex | 4961fc774 |
19698534260 has 24 divisors (see below), whose sum is σ = 41437418400. Its totient is φ = 7865985824.
The previous prime is 19698534241. The next prime is 19698534269. The reversal of 19698534260 is 6243589691.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19698534269) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 827210 + ... + 850689.
It is an arithmetic number, because the mean of its divisors is an integer number (1726559100).
Almost surely, 219698534260 is an apocalyptic number.
19698534260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19698534260 is an abundant number, since it is smaller than the sum of its proper divisors (21738884140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19698534260 is a wasteful number, since it uses less digits than its factorization.
19698534260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1678495 (or 1678493 counting only the distinct ones).
The product of its (nonzero) digits is 2799360, while the sum is 53.
The spelling of 19698534260 in words is "nineteen billion, six hundred ninety-eight million, five hundred thirty-four thousand, two hundred sixty".
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