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133013233213 = 7372131240997
BaseRepresentation
bin111101111100000110…
…1001101111000111101
3110201022220212100111221
41323320031031320331
54134402341430323
6141034435113341
712416122553560
oct1737015157075
9421286770457
10133013233213
1151457558913
1221941a42851
13c70a240473
14661b7584d7
1536d766d55d
hex1ef834de3d

133013233213 has 16 divisors (see below), whose sum is σ = 156197551744. Its totient is φ = 110877439680.

The previous prime is 133013233201. The next prime is 133013233231. The reversal of 133013233213 is 312332310331.

It is not a de Polignac number, because 133013233213 - 25 = 133013233181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133013243213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431431 + ... + 672427.

It is an arithmetic number, because the mean of its divisors is an integer number (9762346984).

Almost surely, 2133013233213 is an apocalyptic number.

It is an amenable number.

133013233213 is a deficient number, since it is larger than the sum of its proper divisors (23184318531).

133013233213 is a wasteful number, since it uses less digits than its factorization.

133013233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243172.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133013233213 its reverse (312332310331), we get a palindrome (445345543544).

The spelling of 133013233213 in words is "one hundred thirty-three billion, thirteen million, two hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 7 37 259 2131 14917 78847 240997 551929 1686979 8916889 62418223 513564607 3594952249 19001890459 133013233213