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115245240202231 = 7913725633415409
BaseRepresentation
bin11010001101000010011111…
…100110101011001111110111
3120010001100002221100222121021
4122031002133212223033313
5110101134222442432411
61045034533225002011
733163123325561236
oct3215023746531767
9503040087328537
10115245240202231
11337a2260725437
1210b13371923307
134c3c76c287909
142065c83cc2b1d
15d4cbd6e42a71
hex68d09f9ab3f7

115245240202231 has 16 divisors (see below), whose sum is σ = 117560764137600. Its totient is φ = 112951203176448.

The previous prime is 115245240202163. The next prime is 115245240202241. The reversal of 115245240202231 is 132202042542511.

It is a cyclic number.

It is not a de Polignac number, because 115245240202231 - 223 = 115245231813623 is a prime.

It is a super-2 number, since 2×1152452402022312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115245240202241) 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, 277218255 + ... + 277633663.

It is an arithmetic number, because the mean of its divisors is an integer number (7347547758600).

Almost surely, 2115245240202231 is an apocalyptic number.

115245240202231 is a deficient number, since it is larger than the sum of its proper divisors (2315523935369).

115245240202231 is a wasteful number, since it uses less digits than its factorization.

115245240202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441258.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 115245240202231 its reverse (132202042542511), we get a palindrome (247447282744742).

The spelling of 115245240202231 in words is "one hundred fifteen trillion, two hundred forty-five billion, two hundred forty million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 79 137 10823 25633 415409 2025007 3511721 32817311 56911033 277425959 4495971607 10648178897 841206132863 1458800508889 115245240202231