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123113222213 = 4310847263953
BaseRepresentation
bin111001010101000011…
…1101011000001000101
3102202202222020200111212
41302222013223001011
54004113441102323
6132320223341205
711615601060002
oct1625207530105
9382688220455
10123113222213
1148237228043
121ba3a451805
13b7c01917a7
145d5c9c28a9
153308461b78
hex1caa1eb045

123113222213 has 8 divisors (see below), whose sum is σ = 125988411648. Its totient is φ = 120238582464.

The previous prime is 123113222209. The next prime is 123113222251. The reversal of 123113222213 is 312222311321.

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 123113222213 - 22 = 123113222209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113222203) 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 7 ways as a sum of consecutive naturals, for example, 334445 + ... + 598397.

It is an arithmetic number, because the mean of its divisors is an integer number (15748551456).

Almost surely, 2123113222213 is an apocalyptic number.

It is an amenable number.

123113222213 is a deficient number, since it is larger than the sum of its proper divisors (2875189435).

123113222213 is a wasteful number, since it uses less digits than its factorization.

123113222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274843.

The product of its digits is 864, while the sum is 23.

Adding to 123113222213 its reverse (312222311321), we get a palindrome (435335533534).

The spelling of 123113222213 in words is "one hundred twenty-three billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 43 10847 263953 466421 11349979 2863098191 123113222213