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115123013 = 896072131
BaseRepresentation
bin1101101110010…
…10001101000101
322000121212002022
412313022031011
5213432414023
615231252525
72565346415
oct667121505
9260555068
10115123013
1159a90695
123267a145
131ab0a135
141140a645
15a1907c8
hex6dca345

115123013 has 8 divisors (see below), whose sum is σ = 116663040. Its totient is φ = 113588640.

The previous prime is 115122991. The next prime is 115123037. The reversal of 115123013 is 310321511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115123013 - 222 = 110928709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115122982 and 115123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115123213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52958 + ... + 55088.

It is an arithmetic number, because the mean of its divisors is an integer number (14582880).

Almost surely, 2115123013 is an apocalyptic number.

It is an amenable number.

115123013 is a deficient number, since it is larger than the sum of its proper divisors (1540027).

115123013 is an equidigital number, since it uses as much as digits as its factorization.

115123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 115123013 is about 10729.5392724944. The cubic root of 115123013 is about 486.4677441753.

Adding to 115123013 its reverse (310321511), we get a palindrome (425444524).

The spelling of 115123013 in words is "one hundred fifteen million, one hundred twenty-three thousand, thirteen".

Divisors: 1 89 607 2131 54023 189659 1293517 115123013