Base | Representation |
---|---|
bin | 10010011011000110… |
… | …010101111110101000 |
3 | 1220001122022202020010 |
4 | 102123012111332220 |
5 | 311003143004202 |
6 | 13030540531520 |
7 | 1300134141666 |
oct | 223306257650 |
9 | 56048282203 |
10 | 19782000552 |
11 | 8431472896 |
12 | 3a00b50ba0 |
13 | 1b3348a992 |
14 | d59379c36 |
15 | 7aba5876c |
hex | 49b195fa8 |
19782000552 has 64 divisors (see below), whose sum is σ = 49927253760. Its totient is φ = 6531321600.
The previous prime is 19782000523. The next prime is 19782000569. The reversal of 19782000552 is 25500028791.
It is a self number, because there is not a number n which added to its sum of digits gives 19782000552.
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, 1116402 + ... + 1133982.
It is an arithmetic number, because the mean of its divisors is an integer number (780113340).
Almost surely, 219782000552 is an apocalyptic number.
19782000552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is a pronic number, being equal to 140648×140649.
It is an amenable number.
19782000552 is an abundant number, since it is smaller than the sum of its proper divisors (30145253208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19782000552 is a wasteful number, since it uses less digits than its factorization.
19782000552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18034 (or 18030 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 39.
The spelling of 19782000552 in words is "nineteen billion, seven hundred eighty-two million, five hundred fifty-two", and thus it is an aban number.
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