Base | Representation |
---|---|
bin | 10001110011111010… |
… | …001100100100000000 |
3 | 1211100211010111122210 |
4 | 101303322030210000 |
5 | 303131333123312 |
6 | 12441412302120 |
7 | 1244631415566 |
oct | 216372144400 |
9 | 54324114583 |
10 | 19124504832 |
11 | 81243145a4 |
12 | 3858911940 |
13 | 1a5a1b0c64 |
14 | cd5d07a36 |
15 | 76de7ee3c |
hex | 473e8c900 |
19124504832 has 72 divisors (see below), whose sum is σ = 51026824800. Its totient is φ = 6358835200.
The previous prime is 19124504821. The next prime is 19124504849. The reversal of 19124504832 is 23840542191.
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, 276919 + ... + 339017.
It is an arithmetic number, because the mean of its divisors is an integer number (708705900).
Almost surely, 219124504832 is an apocalyptic number.
19124504832 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 19124504832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25513412400).
19124504832 is an abundant number, since it is smaller than the sum of its proper divisors (31902319968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19124504832 is an equidigital number, since it uses as much as digits as its factorization.
19124504832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62519 (or 62505 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The spelling of 19124504832 in words is "nineteen billion, one hundred twenty-four million, five hundred four thousand, eight hundred thirty-two".
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