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213131430114400 = 2552738059183949
BaseRepresentation
bin110000011101011110000111…
…001011101011010001100000
31000221122011110211002011121201
4300131132013023223101200
5210413421132102130100
62033143121033330544
762615144344532260
oct6035360713532140
91027564424064551
10213131430114400
1161a01593a7a2a6
121baa2370866a54
1391c02911b2655
143a8b88b0257a0
151999086dcc36a
hexc1d7872eb460

213131430114400 has 72 divisors (see below), whose sum is σ = 594636690034800. Its totient is φ = 73073633180160.

The previous prime is 213131430114349. The next prime is 213131430114401. The reversal of 213131430114400 is 4411034131312.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131430114401) 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 11 ways as a sum of consecutive naturals, for example, 19029586375 + ... + 19029597574.

It is an arithmetic number, because the mean of its divisors is an integer number (8258842917150).

Almost surely, 2213131430114400 is an apocalyptic number.

213131430114400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213131430114400 is an abundant number, since it is smaller than the sum of its proper divisors (381505259920400).

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

213131430114400 is a wasteful number, since it uses less digits than its factorization.

213131430114400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38059183976 (or 38059183963 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 213131430114400 its reverse (4411034131312), we get a palindrome (217542464245712).

The spelling of 213131430114400 in words is "two hundred thirteen trillion, one hundred thirty-one billion, four hundred thirty million, one hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 140 160 175 200 224 280 350 400 560 700 800 1120 1400 2800 5600 38059183949 76118367898 152236735796 190295919745 266414287643 304473471592 380591839490 532828575286 608946943184 761183678980 951479598725 1065657150572 1217893886368 1332071438215 1522367357960 1902959197450 2131314301144 2664142876430 3044734715920 3805918394900 4262628602288 5328285752860 6089469431840 6660357191075 7611836789800 8525257204576 10656571505720 13320714382150 15223673579600 21313143011440 26641428764300 30447347159200 42626286022880 53282857528600 106565715057200 213131430114400