Base | Representation |
---|---|
bin | 11101110101011010110010… |
… | …010111101011001000101010 |
3 | 122012120221220020021021200011 |
4 | 131311122302113223020222 |
5 | 114144303232310140432 |
6 | 1143022554041002134 |
7 | 36431626162526221 |
oct | 3565326227531052 |
9 | 565527806237604 |
10 | 131214243443242 |
11 | 38899714748013 |
12 | 1287224878334a |
13 | 582a5b0a36bcb |
14 | 2458b3624dcb8 |
15 | 10282b4953847 |
hex | 7756b25eb22a |
131214243443242 has 32 divisors (see below), whose sum is σ = 212834648113920. Its totient is φ = 60433659494400.
The previous prime is 131214243443207. The next prime is 131214243443317. The reversal of 131214243443242 is 242344342412131.
It is a junction number, because it is equal to n+sod(n) for n = 131214243443195 and 131214243443204.
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, 356251434 + ... + 356619562.
It is an arithmetic number, because the mean of its divisors is an integer number (6651082753560).
Almost surely, 2131214243443242 is an apocalyptic number.
131214243443242 is a deficient number, since it is larger than the sum of its proper divisors (81620404670678).
131214243443242 is a wasteful number, since it uses less digits than its factorization.
131214243443242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 591246.
The product of its digits is 442368, while the sum is 40.
Adding to 131214243443242 its reverse (242344342412131), we get a palindrome (373558585855373).
The spelling of 131214243443242 in words is "one hundred thirty-one trillion, two hundred fourteen billion, two hundred forty-three million, four hundred forty-three thousand, two hundred forty-two".
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