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123214311011 = 1122344273917
BaseRepresentation
bin111001011000000100…
…1010010111001100011
3102210001000110112021102
41302300021102321203
54004320330423021
6132334234145015
711621236235351
oct1626011227143
9383030415242
10123214311011
11482892a2600
121ba6828216b
13b8080c6a4c
145d6c1b87d1
15331227e00b
hex1cb0252e63

123214311011 has 12 divisors (see below), whose sum is σ = 141322346256. Its totient is φ = 107142876720.

The previous prime is 123214310953. The next prime is 123214311061. The reversal of 123214311011 is 110113412321.

It is not a de Polignac number, because 123214311011 - 210 = 123214309987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123214311061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22134176 + ... + 22139741.

It is an arithmetic number, because the mean of its divisors is an integer number (11776862188).

Almost surely, 2123214311011 is an apocalyptic number.

123214311011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123214311011 is a deficient number, since it is larger than the sum of its proper divisors (18108035245).

123214311011 is a wasteful number, since it uses less digits than its factorization.

123214311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44273962 (or 44273951 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 123214311011 its reverse (110113412321), we get a palindrome (233327723332).

The spelling of 123214311011 in words is "one hundred twenty-three billion, two hundred fourteen million, three hundred eleven thousand, eleven".

Divisors: 1 11 23 121 253 2783 44273917 487013087 1018300091 5357143957 11201301001 123214311011