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113233021213 = 13210919132183
BaseRepresentation
bin110100101110100110…
…1101100100100011101
3101211021101220110201111
41221131031230210131
53323400123134323
6124004000342021
711116006541164
oct1513515544435
9354241813644
10113233021213
11440270a7874
1219b41614911
13a8a725a900
1456a27263db
152e2ad69c0d
hex1a5d36c91d

113233021213 has 24 divisors (see below), whose sum is σ = 124389872640. Its totient is φ = 103018443840.

The previous prime is 113233021189. The next prime is 113233021217. The reversal of 113233021213 is 312120332311.

It is not a de Polignac number, because 113233021213 - 29 = 113233020701 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 (113233021217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3502320 + ... + 3534502.

It is an arithmetic number, because the mean of its divisors is an integer number (5182911360).

Almost surely, 2113233021213 is an apocalyptic number.

113233021213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113233021213 is a deficient number, since it is larger than the sum of its proper divisors (11156851427).

113233021213 is a wasteful number, since it uses less digits than its factorization.

113233021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32509 (or 32496 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 113233021213 its reverse (312120332311), we get a palindrome (425353353524).

The spelling of 113233021213 in words is "one hundred thirteen billion, two hundred thirty-three million, twenty-one thousand, two hundred thirteen".

Divisors: 1 13 109 169 191 1417 2483 18421 20819 32183 32279 270647 418379 3507947 3518411 5438927 6146953 45603311 79910389 592843043 670017877 1038835057 8710232401 113233021213