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115456543 is a prime number
BaseRepresentation
bin1101110000110…
…11101000011111
322001020210121021
412320123220133
5214024102133
615242345011
72601235666
oct670335037
9261223537
10115456543
115a199234
12327bb167
131abc5ba7
1411495ddd
15a20952d
hex6e1ba1f

115456543 has 2 divisors, whose sum is σ = 115456544. Its totient is φ = 115456542.

The previous prime is 115456541. The next prime is 115456547. The reversal of 115456543 is 345654511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115456543 - 21 = 115456541 is a prime.

Together with 115456541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 115456499 and 115456508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115456541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57728271 + 57728272.

It is an arithmetic number, because the mean of its divisors is an integer number (57728272).

Almost surely, 2115456543 is an apocalyptic number.

115456543 is a deficient number, since it is larger than the sum of its proper divisors (1).

115456543 is an equidigital number, since it uses as much as digits as its factorization.

115456543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The square root of 115456543 is about 10745.0706372736. The cubic root of 115456543 is about 486.9370831444.

The spelling of 115456543 in words is "one hundred fifteen million, four hundred fifty-six thousand, five hundred forty-three".