Base | Representation |
---|---|
bin | 10010100111110011… |
… | …100100010011100000 |
3 | 1220121111110111121120 |
4 | 102213303210103200 |
5 | 311422231313204 |
6 | 13104034052240 |
7 | 1305333150066 |
oct | 224763442340 |
9 | 56544414546 |
10 | 19995182304 |
11 | 8530839459 |
12 | 3a6041a080 |
13 | 1b686abb26 |
14 | d797d0036 |
15 | 7c06186d9 |
hex | 4a7ce44e0 |
19995182304 has 48 divisors (see below), whose sum is σ = 55249850880. Its totient is φ = 6314267520.
The previous prime is 19995182287. The next prime is 19995182329. The reversal of 19995182304 is 40328159991.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5479312 + ... + 5482959.
It is an arithmetic number, because the mean of its divisors is an integer number (1151038560).
Almost surely, 219995182304 is an apocalyptic number.
It is an amenable number.
19995182304 is an abundant number, since it is smaller than the sum of its proper divisors (35254668576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19995182304 is a wasteful number, since it uses less digits than its factorization.
19995182304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10962303 (or 10962295 counting only the distinct ones).
The product of its (nonzero) digits is 699840, while the sum is 51.
The spelling of 19995182304 in words is "nineteen billion, nine hundred ninety-five million, one hundred eighty-two thousand, three hundred four".
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