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22311244213 = 401208326711
BaseRepresentation
bin10100110001110110…
…101001000110110101
32010120220112122021021
4110301312221012311
5331143134303323
614125531221141
71416615306136
oct246166510665
963526478237
1022311244213
11950a130005
1243a7ba77b1
132147488a6b
14111923dc8d
158a8b0e05d
hex531da91b5

22311244213 has 8 divisors (see below), whose sum is σ = 22378458816. Its totient is φ = 22244088000.

The previous prime is 22311244187. The next prime is 22311244253. The reversal of 22311244213 is 31244211322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22311244213 - 221 = 22309147061 is a prime.

It is a super-3 number, since 3×223112442133 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311244253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821928 + ... + 848638.

It is an arithmetic number, because the mean of its divisors is an integer number (2797307352).

Almost surely, 222311244213 is an apocalyptic number.

It is an amenable number.

22311244213 is a deficient number, since it is larger than the sum of its proper divisors (67214603).

22311244213 is a wasteful number, since it uses less digits than its factorization.

22311244213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29195.

The product of its digits is 2304, while the sum is 25.

Adding to 22311244213 its reverse (31244211322), we get a palindrome (53555455535).

The spelling of 22311244213 in words is "twenty-two billion, three hundred eleven million, two hundred forty-four thousand, two hundred thirteen".

Divisors: 1 401 2083 26711 835283 10711111 55639013 22311244213