Base | Representation |
---|---|
bin | 10001101101011110… |
… | …111000001110000000 |
3 | 1211002022020110020100 |
4 | 101231132320032000 |
5 | 302421232232240 |
6 | 12423001242400 |
7 | 1242152054451 |
oct | 215536701600 |
9 | 54068213210 |
10 | 19016680320 |
11 | 8079469430 |
12 | 3828793400 |
13 | 1a40a5ab81 |
14 | cc587b128 |
15 | 764781e30 |
hex | 46d7b8380 |
19016680320 has 192 divisors, whose sum is σ = 71636937840. Its totient is φ = 4610088960.
The previous prime is 19016680307. The next prime is 19016680337. The reversal of 19016680320 is 2308661091.
It is a tau number, because it is divible by the number of its divisors (192).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86709 + ... + 213428.
Almost surely, 219016680320 is an apocalyptic number.
19016680320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19016680320 is an abundant number, since it is smaller than the sum of its proper divisors (52620257520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19016680320 is a wasteful number, since it uses less digits than its factorization.
19016680320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300173 (or 300158 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The spelling of 19016680320 in words is "nineteen billion, sixteen million, six hundred eighty thousand, three hundred twenty".
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