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11312543245 = 57144371933
BaseRepresentation
bin10101000100100011…
…11011011000001101
31002012101112201222011
422202101323120031
5141132002340440
65110311021221
7550223013433
oct124221733015
932171481864
1011312543245
1148856aa1a3
12223866a811
1310b38c7793
147945cad53
154632299ea
hex2a247b60d

11312543245 has 16 divisors (see below), whose sum is σ = 13797516672. Its totient is φ = 8902304320.

The previous prime is 11312543237. The next prime is 11312543267. The reversal of 11312543245 is 54234521311.

It is not a de Polignac number, because 11312543245 - 23 = 11312543237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121299 + ... + 193231.

It is an arithmetic number, because the mean of its divisors is an integer number (862344792).

Almost surely, 211312543245 is an apocalyptic number.

It is an amenable number.

11312543245 is a deficient number, since it is larger than the sum of its proper divisors (2484973427).

11312543245 is an equidigital number, since it uses as much as digits as its factorization.

11312543245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72452.

The product of its digits is 14400, while the sum is 31.

The spelling of 11312543245 in words is "eleven billion, three hundred twelve million, five hundred forty-three thousand, two hundred forty-five".

Divisors: 1 5 71 355 443 2215 31453 71933 157265 359665 5107243 25536215 31866319 159331595 2262508649 11312543245