Base | Representation |
---|---|
bin | 111001011010111011… |
… | …0101101001011011101 |
3 | 102210021200201011201200 |
4 | 1302311312231023131 |
5 | 4010014341214323 |
6 | 132351535230113 |
7 | 11623511365155 |
oct | 1626566551335 |
9 | 383250634650 |
10 | 123310101213 |
11 | 48328379162 |
12 | 1ba94378339 |
13 | b821bc5340 |
14 | 5d7abd1765 |
15 | 331a8a1443 |
hex | 1cb5dad2dd |
123310101213 has 96 divisors (see below), whose sum is σ = 203793408000. Its totient is φ = 71222613120.
The previous prime is 123310101197. The next prime is 123310101217. The reversal of 123310101213 is 312101013321.
It is not a de Polignac number, because 123310101213 - 24 = 123310101197 is a prime.
It is a super-2 number, since 2×1233101012132 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123310101217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 171501868 + ... + 171502586.
It is an arithmetic number, because the mean of its divisors is an integer number (2122848000).
Almost surely, 2123310101213 is an apocalyptic number.
123310101213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
123310101213 is a deficient number, since it is larger than the sum of its proper divisors (80483306787).
123310101213 is a wasteful number, since it uses less digits than its factorization.
123310101213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1367 (or 1364 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 123310101213 its reverse (312101013321), we get a palindrome (435411114534).
The spelling of 123310101213 in words is "one hundred twenty-three billion, three hundred ten million, one hundred one thousand, two hundred thirteen".
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