Base | Representation |
---|---|
bin | 1111101110110… |
… | …10001000001101 |
3 | 100012022112120101 |
4 | 13313122020031 |
5 | 232240343303 |
6 | 21032251101 |
7 | 3161454634 |
oct | 767321015 |
9 | 305275511 |
10 | 131965453 |
11 | 68544664 |
12 | 38240a91 |
13 | 21456289 |
14 | 1375251b |
15 | b8bad1d |
hex | 7dda20d |
131965453 has 2 divisors, whose sum is σ = 131965454. Its totient is φ = 131965452.
The previous prime is 131965451. The next prime is 131965459. The reversal of 131965453 is 354569131.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 82937449 + 49028004 = 9107^2 + 7002^2 .
It is a cyclic number.
It is not a de Polignac number, because 131965453 - 21 = 131965451 is a prime.
Together with 131965451, it forms a pair of twin primes.
It is equal to p7483339 and since 131965453 and 7483339 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131965451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65982726 + 65982727.
It is an arithmetic number, because the mean of its divisors is an integer number (65982727).
Almost surely, 2131965453 is an apocalyptic number.
It is an amenable number.
131965453 is a deficient number, since it is larger than the sum of its proper divisors (1).
131965453 is an equidigital number, since it uses as much as digits as its factorization.
131965453 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 48600, while the sum is 37.
The square root of 131965453 is about 11487.6217294965. The cubic root of 131965453 is about 509.1199136449.
The spelling of 131965453 in words is "one hundred thirty-one million, nine hundred sixty-five thousand, four hundred fifty-three".
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