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203113043432 = 231321011487441
BaseRepresentation
bin1011110100101001111…
…0110001010111101000
3201102021022000200021022
42331022132301113220
511311433414342212
6233150413232012
720450221245245
oct2751236612750
9642238020238
10203113043432
117915a021872
1233446192608
13161cc263100
149b8b7125cc
15543b8e7772
hex2f4a7b15e8

203113043432 has 48 divisors (see below), whose sum is σ = 416468885580. Its totient is φ = 92816256000.

The previous prime is 203113043417. The next prime is 203113043459. The reversal of 203113043432 is 234340311302.

It can be written as a sum of positive squares in 6 ways, for example, as 69804810436 + 133308232996 = 264206^2 + 365114^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607169 + ... + 880272.

Almost surely, 2203113043432 is an apocalyptic number.

It is an amenable number.

203113043432 is an abundant number, since it is smaller than the sum of its proper divisors (213355842148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203113043432 is a wasteful number, since it uses less digits than its factorization.

203113043432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487574 (or 1487557 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203113043432 its reverse (234340311302), we get a palindrome (437453354734).

The spelling of 203113043432 in words is "two hundred three billion, one hundred thirteen million, forty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 101 104 169 202 338 404 676 808 1313 1352 2626 5252 10504 17069 34138 68276 136552 1487441 2974882 5949764 11899528 19336733 38673466 77346932 150231541 154693864 251377529 300463082 502755058 600926164 1005510116 1201852328 1953010033 2011020232 3906020066 7812040132 15624080264 25389130429 50778260858 101556521716 203113043432