Base | Representation |
---|---|
bin | 111101000111010010… |
… | …1000111011101001111 |
3 | 110112202102022100011122 |
4 | 1322032211013131033 |
5 | 4122240211112143 |
6 | 140142532311155 |
7 | 12324164025560 |
oct | 1721645073517 |
9 | 415672270148 |
10 | 131241113423 |
11 | 50728207002 |
12 | 215284724bb |
13 | c4b7062584 |
14 | 64d025c167 |
15 | 3631cc0c68 |
hex | 1e8e94774f |
131241113423 has 16 divisors (see below), whose sum is σ = 150596599296. Its totient is φ = 112038141600.
The previous prime is 131241113413. The next prime is 131241113461. The reversal of 131241113423 is 324311142131.
It is not a de Polignac number, because 131241113423 - 212 = 131241109327 is a prime.
It is a super-4 number, since 4×1312411134234 (a number of 46 digits) contains 4444 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131241113392 and 131241113401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131241113413) 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, 1906148 + ... + 1973798.
It is an arithmetic number, because the mean of its divisors is an integer number (9412287456).
Almost surely, 2131241113423 is an apocalyptic number.
131241113423 is a deficient number, since it is larger than the sum of its proper divisors (19355485873).
131241113423 is an equidigital number, since it uses as much as digits as its factorization.
131241113423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68774.
The product of its digits is 1728, while the sum is 26.
Adding to 131241113423 its reverse (324311142131), we get a palindrome (455552255554).
The spelling of 131241113423 in words is "one hundred thirty-one billion, two hundred forty-one million, one hundred thirteen thousand, four hundred twenty-three".
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