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113131412212 = 22713714377473
BaseRepresentation
bin110100101011100101…
…0000101101011110100
3101211000022201012101011
41221113022011223310
53323143120142322
6123545530442004
711113334065060
oct1512712055364
9354008635334
10113131412212
1143a84807495
1219b13593304
13a88c1a2940
145693036aa0
152e21e98677
hex1a57285af4

113131412212 has 48 divisors (see below), whose sum is σ = 247099652352. Its totient is φ = 44124917760.

The previous prime is 113131412209. The next prime is 113131412237. The reversal of 113131412212 is 212214131311.

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 15 ways as a sum of consecutive naturals, for example, 2162893 + ... + 2214580.

It is an arithmetic number, because the mean of its divisors is an integer number (5147909424).

Almost surely, 2113131412212 is an apocalyptic number.

It is an amenable number.

113131412212 is an abundant number, since it is smaller than the sum of its proper divisors (133968240140).

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

113131412212 is a wasteful number, since it uses less digits than its factorization.

113131412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377568 (or 4377566 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

Adding to 113131412212 its reverse (212214131311), we get a palindrome (325345543523).

The spelling of 113131412212 in words is "one hundred thirteen billion, one hundred thirty-one million, four hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 71 91 142 182 284 364 497 923 994 1846 1988 3692 6461 12922 25844 4377473 8754946 17509892 30642311 56907149 61284622 113814298 122569244 227628596 310800583 398350043 621601166 796700086 1243202332 1593400172 2175604081 4040407579 4351208162 8080815158 8702416324 16161630316 28282853053 56565706106 113131412212