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123330212113 = 1225571006309
BaseRepresentation
bin111001011011100001…
…1011011000100010001
3102210100002112220200211
41302313003123010101
54010040013241423
6132353534244121
711624144335423
oct1626703330421
9383302486624
10123330212113
1148338764839
121ba9b056641
13b826117094
145d7d748813
15331c52510d
hex1cb70db111

123330212113 has 4 divisors (see below), whose sum is σ = 123331340980. Its totient is φ = 123329083248.

The previous prime is 123330212087. The next prime is 123330212119. The reversal of 123330212113 is 311212033321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42655467024 + 80674745089 = 206532^2 + 284033^2 .

It is a cyclic number.

It is not a de Polignac number, because 123330212113 - 213 = 123330203921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123330212119) 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, 380598 + ... + 625711.

It is an arithmetic number, because the mean of its divisors is an integer number (30832835245).

Almost surely, 2123330212113 is an apocalyptic number.

It is an amenable number.

123330212113 is a deficient number, since it is larger than the sum of its proper divisors (1128867).

123330212113 is a wasteful number, since it uses less digits than its factorization.

123330212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128866.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123330212113 its reverse (311212033321), we get a palindrome (434542245434).

The spelling of 123330212113 in words is "one hundred twenty-three billion, three hundred thirty million, two hundred twelve thousand, one hundred thirteen".

Divisors: 1 122557 1006309 123330212113