Base | Representation |
---|---|
bin | 10010000010011111… |
… | …100000000111000010 |
3 | 1211222212111112122202 |
4 | 102002133200013002 |
5 | 304132001242000 |
6 | 12521552233202 |
7 | 1253662121351 |
oct | 220237400702 |
9 | 54885445582 |
10 | 19369165250 |
11 | 823a430596 |
12 | 390683b802 |
13 | 1a98aa4136 |
14 | d1a5d3998 |
15 | 7856abdd5 |
hex | 4827e01c2 |
19369165250 has 64 divisors (see below), whose sum is σ = 39483849600. Its totient is φ = 7086744000.
The previous prime is 19369165243. The next prime is 19369165259. The reversal of 19369165250 is 5256196391.
It is a junction number, because it is equal to n+sod(n) for n = 19369165195 and 19369165204.
It is not an unprimeable number, because it can be changed into a prime (19369165259) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67445 + ... + 208055.
It is an arithmetic number, because the mean of its divisors is an integer number (616935150).
Almost surely, 219369165250 is an apocalyptic number.
19369165250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19369165250 is an abundant number, since it is smaller than the sum of its proper divisors (20114684350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19369165250 is a wasteful number, since it uses less digits than its factorization.
19369165250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140676 (or 140666 counting only the distinct ones).
The product of its (nonzero) digits is 437400, while the sum is 47.
The spelling of 19369165250 in words is "nineteen billion, three hundred sixty-nine million, one hundred sixty-five thousand, two hundred fifty".
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