Base | Representation |
---|---|
bin | 10001111000001111… |
… | …000110001000000000 |
3 | 1211112212201100000110 |
4 | 101320033012020000 |
5 | 303303423423402 |
6 | 12452524151320 |
7 | 1246502410164 |
oct | 217017061000 |
9 | 54485640013 |
10 | 19197092352 |
11 | 8161292689 |
12 | 3879098540 |
13 | 1a6c247459 |
14 | d01800ca4 |
15 | 77551c56c |
hex | 4783c6200 |
19197092352 has 80 divisors (see below), whose sum is σ = 51980905152. Its totient is φ = 6294097920.
The previous prime is 19197092303. The next prime is 19197092371. The reversal of 19197092352 is 25329079191.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 8748 + ... + 196139.
Almost surely, 219197092352 is an apocalyptic number.
19197092352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19197092352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25990452576).
19197092352 is an abundant number, since it is smaller than the sum of its proper divisors (32783812800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19197092352 is an equidigital number, since it uses as much as digits as its factorization.
19197092352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204969 (or 204953 counting only the distinct ones).
The product of its (nonzero) digits is 306180, while the sum is 48.
The spelling of 19197092352 in words is "nineteen billion, one hundred ninety-seven million, ninety-two thousand, three hundred fifty-two".
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