Base | Representation |
---|---|
bin | 111101001011001110… |
… | …0101101001011001001 |
3 | 110120002121201021212010 |
4 | 1322112130231023021 |
5 | 4123023010020340 |
6 | 140204010010133 |
7 | 12330356102106 |
oct | 1722634551311 |
9 | 416077637763 |
10 | 131373126345 |
11 | 5079578329a |
12 | 21564716949 |
13 | c508504326 |
14 | 65039c3aad |
15 | 363d69ab80 |
hex | 1e9672d2c9 |
131373126345 has 32 divisors (see below), whose sum is σ = 217708070400. Its totient is φ = 67567820544.
The previous prime is 131373126317. The next prime is 131373126389. The reversal of 131373126345 is 543621373131.
It is not a de Polignac number, because 131373126345 - 26 = 131373126281 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178464 + ... + 542766.
It is an arithmetic number, because the mean of its divisors is an integer number (6803377200).
Almost surely, 2131373126345 is an apocalyptic number.
131373126345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131373126345 is a deficient number, since it is larger than the sum of its proper divisors (86334944055).
131373126345 is a wasteful number, since it uses less digits than its factorization.
131373126345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365169.
The product of its digits is 136080, while the sum is 39.
Adding to 131373126345 its reverse (543621373131), we get a palindrome (674994499476).
The spelling of 131373126345 in words is "one hundred thirty-one billion, three hundred seventy-three million, one hundred twenty-six thousand, three hundred forty-five".
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