Base | Representation |
---|---|
bin | 1001011110110011… |
… | …1001101110111111 |
3 | 20120101010000121001 |
4 | 2113230321232333 |
5 | 20203023133211 |
6 | 1100314551131 |
7 | 120033152224 |
oct | 22754715677 |
9 | 6511100531 |
10 | 2545130431 |
11 | 1096729188 |
12 | 5b04384a7 |
13 | 3173a124c |
14 | 1a203b94b |
15 | ed692ac1 |
hex | 97b39bbf |
2545130431 has 2 divisors, whose sum is σ = 2545130432. Its totient is φ = 2545130430.
The previous prime is 2545130383. The next prime is 2545130447. The reversal of 2545130431 is 1340315452.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2545130431 is a prime.
It is a super-2 number, since 2×25451304312 = 12955377821604491522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2545130431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2545130461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272565215 + 1272565216.
It is an arithmetic number, because the mean of its divisors is an integer number (1272565216).
Almost surely, 22545130431 is an apocalyptic number.
2545130431 is a deficient number, since it is larger than the sum of its proper divisors (1).
2545130431 is an equidigital number, since it uses as much as digits as its factorization.
2545130431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 2545130431 is about 50449.2857332985. The cubic root of 2545130431 is about 1365.3270079333.
Adding to 2545130431 its reverse (1340315452), we get a palindrome (3885445883).
The spelling of 2545130431 in words is "two billion, five hundred forty-five million, one hundred thirty thousand, four hundred thirty-one".
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