Base | Representation |
---|---|
bin | 10001111110110000… |
… | …101011101000000001 |
3 | 1211211111200212101211 |
4 | 101332300223220001 |
5 | 304014434410001 |
6 | 12511434330121 |
7 | 1252302023641 |
oct | 217660535001 |
9 | 54744625354 |
10 | 19306560001 |
11 | 8208060313 |
12 | 38a9889941 |
13 | 1a88b24401 |
14 | d12178521 |
15 | 77ee42351 |
hex | 47ec2ba01 |
19306560001 has 8 divisors (see below), whose sum is σ = 19674190440. Its totient is φ = 18939053952.
The previous prime is 19306559953. The next prime is 19306560023. The reversal of 19306560001 is 10006560391.
It can be written as a sum of positive squares in 4 ways, for example, as 134003776 + 19172556225 = 11576^2 + 138465^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19306560001 - 217 = 19306428929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19306560061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319515 + ... + 375103.
It is an arithmetic number, because the mean of its divisors is an integer number (2459273805).
Almost surely, 219306560001 is an apocalyptic number.
It is an amenable number.
19306560001 is a deficient number, since it is larger than the sum of its proper divisors (367630439).
19306560001 is an equidigital number, since it uses as much as digits as its factorization.
19306560001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62195.
The product of its (nonzero) digits is 4860, while the sum is 31.
The spelling of 19306560001 in words is "nineteen billion, three hundred six million, five hundred sixty thousand, one".
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