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123422612611 = 1729240921107
BaseRepresentation
bin111001011110010001…
…1111001110010000011
3102210120112102100100111
41302330203321302003
54010232142100421
6132411034532151
711626345616554
oct1627443716203
9383515370314
10123422612611
1148385935691
121bb05b97057
13b83c2c982c
145d8bb1c32b
1533256c7ee1
hex1cbc8f9c83

123422612611 has 24 divisors (see below), whose sum is σ = 135681801840. Its totient is φ = 111877334016.

The previous prime is 123422612609. The next prime is 123422612641. The reversal of 123422612611 is 116216224321.

It is not a de Polignac number, because 123422612611 - 21 = 123422612609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123422612641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5836920 + ... + 5858026.

It is an arithmetic number, because the mean of its divisors is an integer number (5653408410).

Almost surely, 2123422612611 is an apocalyptic number.

123422612611 is a deficient number, since it is larger than the sum of its proper divisors (12259189229).

123422612611 is a wasteful number, since it uses less digits than its factorization.

123422612611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591 (or 21562 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

Adding to 123422612611 its reverse (116216224321), we get a palindrome (239638836932).

The spelling of 123422612611 in words is "one hundred twenty-three billion, four hundred twenty-two million, six hundred twelve thousand, six hundred eleven".

Divisors: 1 17 29 409 493 841 6953 11861 14297 21107 201637 343969 358819 612103 5847473 8632763 10405751 17750987 146756971 250350127 301766779 4255952159 7260153683 123422612611