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22200021311 = 1324130723081
BaseRepresentation
bin10100101011001110…
…010111000100111111
32010022011020221010112
4110223032113010333
5330431201140221
614110515300235
71414065032126
oct245316270477
963264227115
1022200021311
119462373656
1243768aa67b
13212a415bb0
14110856aabd
1589de8e15b
hex52b39713f

22200021311 has 16 divisors (see below), whose sum is σ = 24086159328. Its totient is φ = 20339942400.

The previous prime is 22200021301. The next prime is 22200021329. The reversal of 22200021311 is 11312000222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22200021311 - 26 = 22200021247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200021301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950291 + ... + 973371.

It is an arithmetic number, because the mean of its divisors is an integer number (1505384958).

Almost surely, 222200021311 is an apocalyptic number.

22200021311 is a deficient number, since it is larger than the sum of its proper divisors (1886138017).

22200021311 is a wasteful number, since it uses less digits than its factorization.

22200021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23642.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22200021311 its reverse (11312000222), we get a palindrome (33512021533).

The spelling of 22200021311 in words is "twenty-two billion, two hundred million, twenty-one thousand, three hundred eleven".

Divisors: 1 13 241 307 3133 3991 23081 73987 300053 961831 5562521 7085867 72312773 92116271 1707693947 22200021311