Base | Representation |
---|---|
bin | 111001010101000001… |
… | …1000000101000000001 |
3 | 102202202212221120221202 |
4 | 1302222003000220001 |
5 | 4004113133000001 |
6 | 132320141230545 |
7 | 11615554506464 |
oct | 1625203005001 |
9 | 382685846852 |
10 | 123112000001 |
11 | 48236572851 |
12 | 1ba39b62455 |
13 | b7bcb543a3 |
14 | 5d5c7852db |
15 | 33082be96b |
hex | 1caa0c0a01 |
123112000001 has 8 divisors (see below), whose sum is σ = 132189853824. Its totient is φ = 114238143040.
The previous prime is 123111999971. The next prime is 123112000007. The reversal of 123112000001 is 100000211321.
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 123112000001 - 234 = 105932130817 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (123112000007) 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, 50997965 + ... + 51000378.
It is an arithmetic number, because the mean of its divisors is an integer number (16523731728).
Almost surely, 2123112000001 is an apocalyptic number.
It is an amenable number.
123112000001 is a deficient number, since it is larger than the sum of its proper divisors (9077853823).
123112000001 is a wasteful number, since it uses less digits than its factorization.
123112000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101998431.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 123112000001 its reverse (100000211321), we get a palindrome (223112211322).
The spelling of 123112000001 in words is "one hundred twenty-three billion, one hundred twelve million, one", and thus it is an aban number.
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