Base | Representation |
---|---|
bin | 11000100100110110… |
… | …00100100001100011 |
3 | 1021001111211001020110 |
4 | 30102123010201203 |
5 | 204010130110240 |
6 | 10021120542403 |
7 | 644650022613 |
oct | 142233044143 |
9 | 37044731213 |
10 | 13193988195 |
11 | 5660731683 |
12 | 2682781a03 |
13 | 132363280b |
14 | 8d2424a43 |
15 | 5234bec80 |
hex | 3126c4863 |
13193988195 has 16 divisors (see below), whose sum is σ = 21131880192. Its totient is φ = 7029627360.
The previous prime is 13193988193. The next prime is 13193988257. The reversal of 13193988195 is 59188939131.
It is not a de Polignac number, because 13193988195 - 21 = 13193988193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13193988193) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432661 + ... + 462150.
It is an arithmetic number, because the mean of its divisors is an integer number (1320742512).
Almost surely, 213193988195 is an apocalyptic number.
13193988195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13193988195 is a deficient number, since it is larger than the sum of its proper divisors (7937891997).
13193988195 is an equidigital number, since it uses as much as digits as its factorization.
13193988195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 895802.
The product of its digits is 2099520, while the sum is 57.
The spelling of 13193988195 in words is "thirteen billion, one hundred ninety-three million, nine hundred eighty-eight thousand, one hundred ninety-five".
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