Base | Representation |
---|---|
bin | 111001010101010001… |
… | …0101011110001101101 |
3 | 102202210110120102211010 |
4 | 1302222202223301231 |
5 | 4004122244200323 |
6 | 132321035215433 |
7 | 11616015211215 |
oct | 1625242536155 |
9 | 382713512733 |
10 | 123120303213 |
11 | 48240224106 |
12 | 1ba408a7579 |
13 | b7c17a082b |
14 | 5d5d907245 |
15 | 3308daec93 |
hex | 1caa8abc6d |
123120303213 has 8 divisors (see below), whose sum is σ = 169821108000. Its totient is φ = 79249850288.
The previous prime is 123120303211. The next prime is 123120303223. The reversal of 123120303213 is 312303021321.
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 123120303213 - 21 = 123120303211 is a prime.
It is a super-2 number, since 2×1231203032132 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 123120303213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123120303211) 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, 707587863 + ... + 707588036.
It is an arithmetic number, because the mean of its divisors is an integer number (21227638500).
Almost surely, 2123120303213 is an apocalyptic number.
It is an amenable number.
123120303213 is a deficient number, since it is larger than the sum of its proper divisors (46700804787).
123120303213 is a wasteful number, since it uses less digits than its factorization.
123120303213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1415175931.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 123120303213 its reverse (312303021321), we get a palindrome (435423324534).
The spelling of 123120303213 in words is "one hundred twenty-three billion, one hundred twenty million, three hundred three thousand, two hundred thirteen".
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