Search a number
-
+
2243131321300 = 225223993854867
BaseRepresentation
bin100000101001000101000…
…010111010101111010100
321221102220200022200020221
4200221011002322233110
5243222413104240200
64434251425004124
7321026612431342
oct40510502725724
97842820280227
102243131321300
11795341175071
12302898183644
131336ac5a932c
147a7d4d6a992
153d537cbc91a
hex20a450babd4

2243131321300 has 36 divisors (see below), whose sum is σ = 4887961525440. Its totient is φ = 893498324320.

The previous prime is 2243131321201. The next prime is 2243131321307. The reversal of 2243131321300 is 31231313422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243131321307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46903534 + ... + 46951333.

It is an arithmetic number, because the mean of its divisors is an integer number (135776709040).

Almost surely, 22243131321300 is an apocalyptic number.

2243131321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243131321300 is an abundant number, since it is smaller than the sum of its proper divisors (2644830204140).

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

2243131321300 is a wasteful number, since it uses less digits than its factorization.

2243131321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93855120 (or 93855113 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2243131321300 its reverse (31231313422), we get a palindrome (2274362634722).

The spelling of 2243131321300 in words is "two trillion, two hundred forty-three billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 239 478 956 1195 2390 4780 5975 11950 23900 93854867 187709734 375419468 469274335 938548670 1877097340 2346371675 4692743350 9385486700 22431313213 44862626426 89725252852 112156566065 224313132130 448626264260 560782830325 1121565660650 2243131321300