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22301123213 = 191173743327
BaseRepresentation
bin10100110001010000…
…000010001010001101
32010120012111102212102
4110301100002022031
5331133041420323
614124530244445
71416433263635
oct246120021215
963505442772
1022301123213
119504447a46
1243a4726725
1321453540c5
141117b676c5
158a7cb0328
hex53140228d

22301123213 has 4 divisors (see below), whose sum is σ = 23474866560. Its totient is φ = 21127379868.

The previous prime is 22301123203. The next prime is 22301123227. The reversal of 22301123213 is 31232110322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22301123213 - 212 = 22301119117 is a prime.

It is a super-2 number, since 2×223011232132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22301123203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586871645 + ... + 586871682.

It is an arithmetic number, because the mean of its divisors is an integer number (5868716640).

Almost surely, 222301123213 is an apocalyptic number.

It is an amenable number.

22301123213 is a deficient number, since it is larger than the sum of its proper divisors (1173743347).

22301123213 is a wasteful number, since it uses less digits than its factorization.

22301123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173743346.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22301123213 its reverse (31232110322), we get a palindrome (53533233535).

The spelling of 22301123213 in words is "twenty-two billion, three hundred one million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 19 1173743327 22301123213