Base | Representation |
---|---|
bin | 111101111100100111… |
… | …1001100110101111111 |
3 | 110201101010102010211122 |
4 | 1323321033030311333 |
5 | 4134421303433211 |
6 | 141040253541155 |
7 | 12416422565021 |
oct | 1737117146577 |
9 | 421333363748 |
10 | 133030530431 |
11 | 514662a2537 |
12 | 219477a47bb |
13 | c7109b85c6 |
14 | 661db7c011 |
15 | 36d8e386db |
hex | 1ef93ccd7f |
133030530431 has 2 divisors, whose sum is σ = 133030530432. Its totient is φ = 133030530430.
The previous prime is 133030530377. The next prime is 133030530443. The reversal of 133030530431 is 134035030331.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 133030530431 - 210 = 133030529407 is a prime.
It is a super-2 number, since 2×1330305304312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 133030530431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (133030530331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66515265215 + 66515265216.
It is an arithmetic number, because the mean of its divisors is an integer number (66515265216).
Almost surely, 2133030530431 is an apocalyptic number.
133030530431 is a deficient number, since it is larger than the sum of its proper divisors (1).
133030530431 is an equidigital number, since it uses as much as digits as its factorization.
133030530431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4860, while the sum is 26.
Adding to 133030530431 its reverse (134035030331), we get a palindrome (267065560762).
The spelling of 133030530431 in words is "one hundred thirty-three billion, thirty million, five hundred thirty thousand, four hundred thirty-one".
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