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22123101213 = 337311224303
BaseRepresentation
bin10100100110101000…
…111011110000011101
32010002210111222121000
4110212220323300131
5330302003214323
614055130500513
71412142154233
oct244650736035
963083458530
1022123101213
119422a06424
124354b94739
1321174c3645
1410dc266953
15897347e43
hex526a3bc1d

22123101213 has 16 divisors (see below), whose sum is σ = 33223939840. Its totient is φ = 14546695392.

The previous prime is 22123101199. The next prime is 22123101227. The reversal of 22123101213 is 31210132122.

22123101213 is a `hidden beast` number, since 221 + 231 + 0 + 1 + 213 = 666.

It is an interprime number because it is at equal distance from previous prime (22123101199) and next prime (22123101227).

It is not a de Polignac number, because 22123101213 - 28 = 22123100957 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 (22123101313) 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, 5610181 + ... + 5614122.

It is an arithmetic number, because the mean of its divisors is an integer number (2076496240).

Almost surely, 222123101213 is an apocalyptic number.

It is an amenable number.

22123101213 is a deficient number, since it is larger than the sum of its proper divisors (11100838627).

22123101213 is a wasteful number, since it uses less digits than its factorization.

22123101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11224385 (or 11224379 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22123101213 its reverse (31210132122), we get a palindrome (53333233335).

The spelling of 22123101213 in words is "twenty-two billion, one hundred twenty-three million, one hundred one thousand, two hundred thirteen".

Divisors: 1 3 9 27 73 219 657 1971 11224303 33672909 101018727 303056181 819374119 2458122357 7374367071 22123101213