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122210233231013 = 302934034273041
BaseRepresentation
bin11011110010011001001001…
…100010100010011010100101
3121000201011222021112120022222
4123302121021202202122211
5112004243024201343023
61111530334525402125
734512253335522044
oct3362311142423245
9530634867476288
10122210233231013
1135a38083710104
12118591b3a09345
1353264b60bb495
142227014b1655b
15e1de7e185cc8
hex6f26498a26a5

122210233231013 has 4 divisors (see below), whose sum is σ = 122214267534348. Its totient is φ = 122206198927680.

The previous prime is 122210233231003. The next prime is 122210233231033. The reversal of 122210233231013 is 310132332012221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34237220182564 + 87973013048449 = 5851258^2 + 9379393^2 .

It is a cyclic number.

It is not a de Polignac number, because 122210233231013 - 24 = 122210233230997 is a prime.

It is a super-2 number, since 2×1222102332310132 (a number of 29 digits) contains 22 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 (122210233231003) 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, 2017106228 + ... + 2017166813.

It is an arithmetic number, because the mean of its divisors is an integer number (30553566883587).

Almost surely, 2122210233231013 is an apocalyptic number.

It is an amenable number.

122210233231013 is a deficient number, since it is larger than the sum of its proper divisors (4034303335).

122210233231013 is an equidigital number, since it uses as much as digits as its factorization.

122210233231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034303334.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 122210233231013 its reverse (310132332012221), we get a palindrome (432342565243234).

The spelling of 122210233231013 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred thirty-three million, two hundred thirty-one thousand, thirteen".

Divisors: 1 30293 4034273041 122210233231013