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22123123313 = 532231871827
BaseRepresentation
bin10100100110101001…
…000001001001110001
32010002210120002220112
4110212221001021301
5330302004421223
614055131151105
71412142305534
oct244651011161
963083502815
1022123123313
119422a20a95
124354ba5495
132117500715
1410dc270a1b
1589734e778
hex526a41271

22123123313 has 8 divisors (see below), whose sum is σ = 22641631488. Its totient is φ = 21608359344.

The previous prime is 22123123301. The next prime is 22123123331. The reversal of 22123123313 is 31332132122.

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 22123123313 - 210 = 22123122289 is a prime.

It is a super-3 number, since 3×221231233133 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22123122313) 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, 924095 + ... + 947732.

It is an arithmetic number, because the mean of its divisors is an integer number (2830203936).

Almost surely, 222123123313 is an apocalyptic number.

It is an amenable number.

22123123313 is a deficient number, since it is larger than the sum of its proper divisors (518508175).

22123123313 is a wasteful number, since it uses less digits than its factorization.

22123123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872103.

The product of its digits is 1296, while the sum is 23.

Adding to 22123123313 its reverse (31332132122), we get a palindrome (53455255435).

The spelling of 22123123313 in words is "twenty-two billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 53 223 11819 1871827 99206831 417417421 22123123313