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12103323313 = 97295742197
BaseRepresentation
bin10110100010110101…
…00000111010110001
31011020111112112021211
423101122200322301
5144241422321223
65321000120121
7605634356614
oct132132407261
934214475254
1012103323313
115151012a44
122419466041
1311ab69cb93
1482b63617b
154ac87ed0d
hex2d16a0eb1

12103323313 has 8 divisors (see below), whose sum is σ = 12232525032. Its totient is φ = 11974212096.

The previous prime is 12103323293. The next prime is 12103323317. The reversal of 12103323313 is 31332330121.

It can be written as a sum of positive squares in 4 ways, for example, as 19158129 + 12084165184 = 4377^2 + 109928^2 .

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 12103323313 - 233 = 3513388721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103323317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265731 + ... + 307927.

It is an arithmetic number, because the mean of its divisors is an integer number (1529065629).

Almost surely, 212103323313 is an apocalyptic number.

It is an amenable number.

12103323313 is a deficient number, since it is larger than the sum of its proper divisors (129201719).

12103323313 is an equidigital number, since it uses as much as digits as its factorization.

12103323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45251.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12103323313 its reverse (31332330121), we get a palindrome (43435653434).

The spelling of 12103323313 in words is "twelve billion, one hundred three million, three hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 97 2957 42197 286829 4093109 124776529 12103323313