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131113033245 = 3254436577027
BaseRepresentation
bin111101000011011110…
…0100001111000011101
3110112102111022012012100
41322012330201320131
54122004414030440
6140122115155313
712321050252145
oct1720674417035
9415374265170
10131113033245
1150671986517
12214b15a5b39
13c49666989c
1464bb23b925
153625921230
hex1e86f21e1d

131113033245 has 24 divisors (see below), whose sum is σ = 227775633696. Its totient is φ = 69769091808.

The previous prime is 131113033229. The next prime is 131113033279. The reversal of 131113033245 is 542330311131.

131113033245 is a `hidden beast` number, since 1 + 3 + 111 + 303 + 3 + 245 = 666.

It is not a de Polignac number, because 131113033245 - 24 = 131113033229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3268579 + ... + 3308448.

It is an arithmetic number, because the mean of its divisors is an integer number (9490651404).

Almost surely, 2131113033245 is an apocalyptic number.

131113033245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131113033245 is a deficient number, since it is larger than the sum of its proper divisors (96662600451).

131113033245 is a wasteful number, since it uses less digits than its factorization.

131113033245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577481 (or 6577478 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 131113033245 its reverse (542330311131), we get a palindrome (673443344376).

The spelling of 131113033245 in words is "one hundred thirty-one billion, one hundred thirteen million, thirty-three thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 443 1329 2215 3987 6645 19935 6577027 19731081 32885135 59193243 98655405 295966215 2913622961 8740868883 14568114805 26222606649 43704344415 131113033245