Base | Representation |
---|---|
bin | 10001111000011001… |
… | …001001000001111100 |
3 | 1211120001200010021120 |
4 | 101320121021001330 |
5 | 303310112210232 |
6 | 12453100430540 |
7 | 1246533655440 |
oct | 217031110174 |
9 | 54501603246 |
10 | 19199725692 |
11 | 81628210a4 |
12 | 3879b48450 |
13 | 1a6c959c44 |
14 | d01cc8820 |
15 | 77588c92c |
hex | 47864907c |
19199725692 has 48 divisors (see below), whose sum is σ = 51464593152. Its totient is φ = 5457208320.
The previous prime is 19199725687. The next prime is 19199725711. The reversal of 19199725692 is 29652799191.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575934 + ... + 608357.
It is an arithmetic number, because the mean of its divisors is an integer number (1072179024).
Almost surely, 219199725692 is an apocalyptic number.
19199725692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19199725692 is an abundant number, since it is smaller than the sum of its proper divisors (32264867460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19199725692 is a wasteful number, since it uses less digits than its factorization.
19199725692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1184498 (or 1184496 counting only the distinct ones).
The product of its digits is 5511240, while the sum is 60.
The spelling of 19199725692 in words is "nineteen billion, one hundred ninety-nine million, seven hundred twenty-five thousand, six hundred ninety-two".
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