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115244512313 = 7372711641917
BaseRepresentation
bin110101101010100011…
…0111011010000111001
3102000110120212210202212
41223111012323100321
53342010043343223
6124535333504505
711216603122550
oct1532506732071
9360416783685
10115244512313
1144969582907
121a4031a2135
13ab37bc9428
145813932d97
152ee774c278
hex1ad51bb439

115244512313 has 16 divisors (see below), whose sum is σ = 135766915584. Its totient is φ = 95756541120.

The previous prime is 115244512301. The next prime is 115244512403. The reversal of 115244512313 is 313215442511.

It is a cyclic number.

It is not a de Polignac number, because 115244512313 - 222 = 115240318009 is a prime.

It is a super-2 number, since 2×1152445123132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115244512313.

It is not an unprimeable number, because it can be changed into a prime (115244512013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750770 + ... + 891147.

It is an arithmetic number, because the mean of its divisors is an integer number (8485432224).

Almost surely, 2115244512313 is an apocalyptic number.

It is an amenable number.

115244512313 is a deficient number, since it is larger than the sum of its proper divisors (20522403271).

115244512313 is a wasteful number, since it uses less digits than its factorization.

115244512313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642232.

The product of its digits is 14400, while the sum is 32.

Adding to 115244512313 its reverse (313215442511), we get a palindrome (428459954824).

The spelling of 115244512313 in words is "one hundred fifteen billion, two hundred forty-four million, five hundred twelve thousand, three hundred thirteen".

Divisors: 1 7 37 259 271 1897 10027 70189 1641917 11493419 60750929 425256503 444959507 3114716549 16463501759 115244512313