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201131112300 = 223521767588619
BaseRepresentation
bin1011101101010001011…
…0010011011101101100
3201020011011200010212120
42323110112103131230
511243404031043200
6232222013432540
720350134150336
oct2732426233554
9636134603776
10201131112300
11783322a6658
1232b9249b750
1315c747741b1
149a403dc456
1553729039a0
hex2ed459376c

201131112300 has 144 divisors (see below), whose sum is σ = 625368723840. Its totient is φ = 49726448640.

The previous prime is 201131112253. The next prime is 201131112319. The reversal of 201131112300 is 3211131102.

It is a happy number.

It is a super-2 number, since 2×2011311123002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201131112300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47391 + ... + 636009.

It is an arithmetic number, because the mean of its divisors is an integer number (4342838360).

Almost surely, 2201131112300 is an apocalyptic number.

201131112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201131112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312684361920).

201131112300 is an abundant number, since it is smaller than the sum of its proper divisors (424237611540).

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

201131112300 is a wasteful number, since it uses less digits than its factorization.

201131112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588720 (or 588713 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 201131112300 its reverse (3211131102), we get a palindrome (204342243402).

The spelling of 201131112300 in words is "two hundred one billion, one hundred thirty-one million, one hundred twelve thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 25 30 34 50 51 60 67 68 75 85 100 102 134 150 170 201 204 255 268 300 335 340 402 425 510 670 804 850 1005 1020 1139 1275 1340 1675 1700 2010 2278 2550 3350 3417 4020 4556 5025 5100 5695 6700 6834 10050 11390 13668 17085 20100 22780 28475 34170 56950 68340 85425 113900 170850 341700 588619 1177238 1765857 2354476 2943095 3531714 5886190 7063428 8829285 10006523 11772380 14715475 17658570 20013046 29430950 30019569 35317140 39437473 40026092 44146425 50032615 58861900 60039138 78874946 88292850 100065230 118312419 120078276 150097845 157749892 176585700 197187365 200130460 236624838 250163075 300195690 394374730 473249676 500326150 591562095 600391380 670437041 750489225 788749460 985936825 1000652300 1183124190 1340874082 1500978450 1971873650 2011311123 2366248380 2681748164 2957810475 3001956900 3352185205 3943747300 4022622246 5915620950 6704370410 8045244492 10056555615 11831241900 13408740820 16760926025 20113111230 33521852050 40226222460 50282778075 67043704100 100565556150 201131112300