Search a number
-
+
133231111032 = 23319728179169
BaseRepresentation
bin111110000010100110…
…0010110101101111000
3110201220002211200200210
41330011030112231320
54140324131023112
6141112221031120
712424406521065
oct1740514265570
9421802750623
10133231111032
1151559541728
12219a29b54a0
13c743416c56
14663c671c6c
1536eb859b3c
hex1f05316b78

133231111032 has 32 divisors (see below), whose sum is σ = 334768539600. Its totient is φ = 44184935424.

The previous prime is 133231111019. The next prime is 133231111051. The reversal of 133231111032 is 230111132331.

It is a happy number.

It is a super-2 number, since 2×1332311110322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14084857 + ... + 14094312.

Almost surely, 2133231111032 is an apocalyptic number.

133231111032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133231111032 is an abundant number, since it is smaller than the sum of its proper divisors (201537428568).

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

133231111032 is a wasteful number, since it uses less digits than its factorization.

133231111032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28179375 (or 28179371 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133231111032 its reverse (230111132331), we get a palindrome (363342243363).

The spelling of 133231111032 in words is "one hundred thirty-three billion, two hundred thirty-one million, one hundred eleven thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 197 394 591 788 1182 1576 2364 4728 28179169 56358338 84537507 112716676 169075014 225433352 338150028 676300056 5551296293 11102592586 16653888879 22205185172 33307777758 44410370344 66615555516 133231111032