Base | Representation |
---|---|
bin | 111100101110110100… |
… | …1010110100110001111 |
3 | 110110122012111120221112 |
4 | 1321131221112212033 |
5 | 4114100023443211 |
6 | 135525244122235 |
7 | 12264634621400 |
oct | 1713551264617 |
9 | 413565446845 |
10 | 130420140431 |
11 | 50346850929 |
12 | 2133953637b |
13 | c3b5c48439 |
14 | 64531d39a7 |
15 | 35d4ba488b |
hex | 1e5da5698f |
130420140431 has 12 divisors (see below), whose sum is σ = 151891131672. Its totient is φ = 111657602448.
The previous prime is 130420140407. The next prime is 130420140511. The reversal of 130420140431 is 134041024031.
It is not a de Polignac number, because 130420140431 - 214 = 130420124047 is a prime.
It is a super-2 number, since 2×1304201404312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130420140397 and 130420140406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130420140131) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1518365 + ... + 1601958.
It is an arithmetic number, because the mean of its divisors is an integer number (12657594306).
Almost surely, 2130420140431 is an apocalyptic number.
130420140431 is a deficient number, since it is larger than the sum of its proper divisors (21470991241).
130420140431 is an equidigital number, since it uses as much as digits as its factorization.
130420140431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3121190 (or 3121183 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 130420140431 its reverse (134041024031), we get a palindrome (264461164462).
The spelling of 130420140431 in words is "one hundred thirty billion, four hundred twenty million, one hundred forty thousand, four hundred thirty-one".
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