Base | Representation |
---|---|
bin | 1011111011110111101110… |
… | …1111110001011100001011 |
3 | 1201110120021110022110111211 |
4 | 2332331323233301130023 |
5 | 3210002304002210443 |
6 | 43524414310033551 |
7 | 2523056105534044 |
oct | 276757357613413 |
9 | 51416243273454 |
10 | 13123201210123 |
11 | 41aa577a64414 |
12 | 157b4456488b7 |
13 | 742688146054 |
14 | 33524858d8cb |
15 | 17b5706c919d |
hex | bef7bbf170b |
13123201210123 has 8 divisors (see below), whose sum is σ = 13127422244976. Its totient is φ = 13118980543200.
The previous prime is 13123201210039. The next prime is 13123201210129. The reversal of 13123201210123 is 32101210232131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13123201210123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13123201210094 and 13123201210103.
It is not an unprimeable number, because it can be changed into a prime (13123201210129) 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, 83119965 + ... + 83277697.
It is an arithmetic number, because the mean of its divisors is an integer number (1640927780622).
Almost surely, 213123201210123 is an apocalyptic number.
13123201210123 is a deficient number, since it is larger than the sum of its proper divisors (4221034853).
13123201210123 is a wasteful number, since it uses less digits than its factorization.
13123201210123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183965.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 13123201210123 its reverse (32101210232131), we get a palindrome (45224411442254).
The spelling of 13123201210123 in words is "thirteen trillion, one hundred twenty-three billion, two hundred one million, two hundred ten thousand, one hundred twenty-three".
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