Base | Representation |
---|---|
bin | 10001111110110111… |
… | …101111000101011110 |
3 | 1211211122011211000000 |
4 | 101332313233011132 |
5 | 304020423043212 |
6 | 12511542115130 |
7 | 1252323525066 |
oct | 217667570536 |
9 | 54748154000 |
10 | 19308409182 |
11 | 8209103667 |
12 | 38aa41baa6 |
13 | 1a89320cba |
14 | d124da3a6 |
15 | 7801aa1dc |
hex | 47edef15e |
19308409182 has 28 divisors (see below), whose sum is σ = 43424059320. Its totient is φ = 6436135908.
The previous prime is 19308409181. The next prime is 19308409213. The reversal of 19308409182 is 28190480391.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19308409181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6620082 + ... + 6622997.
Almost surely, 219308409182 is an apocalyptic number.
19308409182 is an abundant number, since it is smaller than the sum of its proper divisors (24115650138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19308409182 is an equidigital number, since it uses as much as digits as its factorization.
19308409182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13243099 (or 13243084 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The spelling of 19308409182 in words is "nineteen billion, three hundred eight million, four hundred nine thousand, one hundred eighty-two".
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