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115210013 = 2313736563
BaseRepresentation
bin1101101110111…
…11011100011101
322000210021102112
412313133130131
5213443210023
615233203405
72566161152
oct667373435
9260707375
10115210013
115a03aa96
1232700565
131ab3a909
1411430229
15a1ab478
hex6ddf71d

115210013 has 8 divisors (see below), whose sum is σ = 121099968. Its totient is φ = 109393504.

The previous prime is 115209989. The next prime is 115210021. The reversal of 115210013 is 310012511.

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 115210013 - 218 = 114947869 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115210033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15131 + ... + 21432.

It is an arithmetic number, because the mean of its divisors is an integer number (15137496).

Almost surely, 2115210013 is an apocalyptic number.

It is an amenable number.

115210013 is a deficient number, since it is larger than the sum of its proper divisors (5889955).

115210013 is a wasteful number, since it uses less digits than its factorization.

115210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36723.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 115210013 is about 10733.5927349606. The cubic root of 115210013 is about 486.5902567117.

Adding to 115210013 its reverse (310012511), we get a palindrome (425222524).

The spelling of 115210013 in words is "one hundred fifteen million, two hundred ten thousand, thirteen".

Divisors: 1 23 137 3151 36563 840949 5009131 115210013