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12213333113 = 47353257921
BaseRepresentation
bin10110101111111100…
…01010110001111001
31011112011112121100212
423113332022301321
5200003103124423
65335530040505
7611441422112
oct132776126171
934464477325
1012213333113
1151a8120a33
12244a279135
1311c8409837
1483c0b1209
154b7360578
hex2d7f8ac79

12213333113 has 4 divisors (see below), whose sum is σ = 12213638388. Its totient is φ = 12213027840.

The previous prime is 12213333101. The next prime is 12213333149. The reversal of 12213333113 is 31133331221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31133331221 = 193161312597.

It can be written as a sum of positive squares in 2 ways, for example, as 5587861504 + 6625471609 = 74752^2 + 81397^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213333113 - 226 = 12146224249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213333163) 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, 81608 + ... + 176313.

It is an arithmetic number, because the mean of its divisors is an integer number (3053409597).

Almost surely, 212213333113 is an apocalyptic number.

It is an amenable number.

12213333113 is a deficient number, since it is larger than the sum of its proper divisors (305275).

12213333113 is an equidigital number, since it uses as much as digits as its factorization.

12213333113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305274.

The product of its digits is 972, while the sum is 23.

Adding to 12213333113 its reverse (31133331221), we get a palindrome (43346664334).

The spelling of 12213333113 in words is "twelve billion, two hundred thirteen million, three hundred thirty-three thousand, one hundred thirteen".

Divisors: 1 47353 257921 12213333113