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131234513200 = 24527232037803
BaseRepresentation
bin111101000111000101…
…1111100000100110000
3110112201221220000100221
41322032023330010300
54122232013410300
6140142135022424
712324053646130
oct1721613740460
9415657800327
10131234513200
115072450917a
122152620aa14
13c4b589130b
1464cd420ac0
15363141a31a
hex1e8e2fc130

131234513200 has 120 divisors (see below), whose sum is σ = 375999291648. Its totient is φ = 43038378240.

The previous prime is 131234513191. The next prime is 131234513227. The reversal of 131234513200 is 2315432131.

It is a happy number.

131234513200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954502 + ... + 1083301.

Almost surely, 2131234513200 is an apocalyptic number.

131234513200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131234513200 is an abundant number, since it is smaller than the sum of its proper divisors (244764778448).

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

131234513200 is a wasteful number, since it uses less digits than its factorization.

131234513200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037851 (or 2037840 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 131234513200 its reverse (2315432131), we get a palindrome (133549945331).

The spelling of 131234513200 in words is "one hundred thirty-one billion, two hundred thirty-four million, five hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 23 25 28 35 40 46 50 56 70 80 92 100 112 115 140 161 175 184 200 230 280 322 350 368 400 460 560 575 644 700 805 920 1150 1288 1400 1610 1840 2300 2576 2800 3220 4025 4600 6440 8050 9200 12880 16100 32200 64400 2037803 4075606 8151212 10189015 14264621 16302424 20378030 28529242 32604848 40756060 46869469 50945075 57058484 71323105 81512120 93738938 101890150 114116968 142646210 163024240 187477876 203780300 228233936 234347345 285292420 328086283 356615525 374955752 407560600 468694690 570584840 656172566 713231050 749911504 815121200 937389380 1141169680 1171736725 1312345132 1426462100 1640431415 1874778760 2343473450 2624690264 2852924200 3280862830 3749557520 4686946900 5249380528 5705848400 6561725660 8202157075 9373893800 13123451320 16404314150 18747787600 26246902640 32808628300 65617256600 131234513200