Base | Representation |
---|---|
bin | 111101001100001000… |
… | …0010011100010001001 |
3 | 110120011201201212200122 |
4 | 1322120100103202021 |
5 | 4123103234230100 |
6 | 140211011313025 |
7 | 12331204504040 |
oct | 1723020234211 |
9 | 416151655618 |
10 | 131403430025 |
11 | 508008a095a |
12 | 215728ab775 |
13 | c5118845ba |
14 | 6507a31557 |
15 | 3641184985 |
hex | 1e98413889 |
131403430025 has 24 divisors (see below), whose sum is σ = 186231336384. Its totient is φ = 90098481600.
The previous prime is 131403430009. The next prime is 131403430043. The reversal of 131403430025 is 520034304131.
It is not a de Polignac number, because 131403430025 - 24 = 131403430009 is a prime.
It is a super-2 number, since 2×1314034300252 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131403429976 and 131403430003.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3854555 + ... + 3888495.
It is an arithmetic number, because the mean of its divisors is an integer number (7759639016).
Almost surely, 2131403430025 is an apocalyptic number.
It is an amenable number.
131403430025 is a deficient number, since it is larger than the sum of its proper divisors (54827906359).
131403430025 is a wasteful number, since it uses less digits than its factorization.
131403430025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56081 (or 56076 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 131403430025 its reverse (520034304131), we get a palindrome (651437734156).
The spelling of 131403430025 in words is "one hundred thirty-one billion, four hundred three million, four hundred thirty thousand, twenty-five".
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