Base | Representation |
---|---|
bin | 10001110100100011… |
… | …110010010001001100 |
3 | 1211101120122101212110 |
4 | 101310203302101030 |
5 | 303142131012210 |
6 | 12442442104020 |
7 | 1245123164061 |
oct | 216443622114 |
9 | 54346571773 |
10 | 19135407180 |
11 | 812a4906aa |
12 | 38604ab010 |
13 | 1a5c52a456 |
14 | cd7544c68 |
15 | 76edd5420 |
hex | 4748f244c |
19135407180 has 48 divisors (see below), whose sum is σ = 53644066560. Its totient is φ = 5096591808.
The previous prime is 19135407173. The next prime is 19135407191. The reversal of 19135407180 is 8170453191.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143200 + ... + 242439.
It is an arithmetic number, because the mean of its divisors is an integer number (1117584720).
Almost surely, 219135407180 is an apocalyptic number.
19135407180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19135407180 is an abundant number, since it is smaller than the sum of its proper divisors (34508659380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19135407180 is a wasteful number, since it uses less digits than its factorization.
19135407180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 386478 (or 386476 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 39.
The spelling of 19135407180 in words is "nineteen billion, one hundred thirty-five million, four hundred seven thousand, one hundred eighty".
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