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20112313331200 = 29521571274479
BaseRepresentation
bin1001001001010110000110…
…10010101010111000000000
32122012201101200210212212011
410210223003102222320000
510114010004203044300
6110435245202342304
74144031605416106
oct444530322527000
978181350725764
1020112313331200
116454647604112
122309a9905a994
13b2b776b4296c
144d762677dc76
1524d27a0d4eba
hex124ac34aae00

20112313331200 has 60 divisors (see below), whose sum is σ = 49829827584240. Its totient is φ = 8044925327360.

The previous prime is 20112313331177. The next prime is 20112313331213. The reversal of 20112313331200 is 213331321102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785624440 + ... + 785650039.

It is an arithmetic number, because the mean of its divisors is an integer number (830497126404).

Almost surely, 220112313331200 is an apocalyptic number.

20112313331200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112313331200 is an abundant number, since it is smaller than the sum of its proper divisors (29717514253040).

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

20112313331200 is an equidigital number, since it uses as much as digits as its factorization.

20112313331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571274507 (or 1571274486 counting only the distinct ones).

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

Adding to 20112313331200 its reverse (213331321102), we get a palindrome (20325644652302).

The spelling of 20112313331200 in words is "twenty trillion, one hundred twelve billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1280 1600 2560 3200 6400 12800 1571274479 3142548958 6285097916 7856372395 12570195832 15712744790 25140391664 31425489580 39281861975 50280783328 62850979160 78563723950 100561566656 125701958320 157127447900 201123133312 251403916640 314254895800 402246266624 502807833280 628509791600 804492533248 1005615666560 1257019583200 2011231333120 2514039166400 4022462666240 5028078332800 10056156665600 20112313331200