Base | Representation |
---|---|
bin | 10010000011001001… |
… | …001101010010010000 |
3 | 1212000122001222211112 |
4 | 102003021031102100 |
5 | 304142301120232 |
6 | 12523022432452 |
7 | 1254154055000 |
oct | 220311152220 |
9 | 55018058745 |
10 | 19380098192 |
11 | 8245618684 |
12 | 390a432728 |
13 | 1a9b131530 |
14 | d1bc3c000 |
15 | 78661b4b2 |
hex | 48324d490 |
19380098192 has 480 divisors, whose sum is σ = 54434016000. Its totient is φ = 6600351744.
The previous prime is 19380098131. The next prime is 19380098239. The reversal of 19380098192 is 29189008391.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 19380098192.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 668279234 + ... + 668279262.
It is an arithmetic number, because the mean of its divisors is an integer number (113404200).
Almost surely, 219380098192 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19380098192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27217008000).
19380098192 is an abundant number, since it is smaller than the sum of its proper divisors (35053917808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19380098192 is a wasteful number, since it uses less digits than its factorization.
19380098192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136 (or 87 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 50.
The spelling of 19380098192 in words is "nineteen billion, three hundred eighty million, ninety-eight thousand, one hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •