Base | Representation |
---|---|
bin | 10110100010110100… |
… | …11110001010000001 |
3 | 1011020111111221202212 |
4 | 23101122132022001 |
5 | 144241421441001 |
6 | 5320555551505 |
7 | 605634311624 |
oct | 132132361201 |
9 | 34214457685 |
10 | 12103312001 |
11 | 51510054a0 |
12 | 241945b595 |
13 | 11ab6979a1 |
14 | 82b631dbb |
15 | 4ac87b7bb |
hex | 2d169e281 |
12103312001 has 8 divisors (see below), whose sum is σ = 13206180384. Its totient is φ = 11000871520.
The previous prime is 12103311901. The next prime is 12103312007. The reversal of 12103312001 is 10021330121.
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 12103312001 - 230 = 11029570177 is a prime.
It is a super-2 number, since 2×121033120012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12103312007) 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, 46331 + ... + 162336.
It is an arithmetic number, because the mean of its divisors is an integer number (1650772548).
Almost surely, 212103312001 is an apocalyptic number.
12103312001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12103312001 is a deficient number, since it is larger than the sum of its proper divisors (1102868383).
12103312001 is a wasteful number, since it uses less digits than its factorization.
12103312001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213951.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 12103312001 its reverse (10021330121), we get a palindrome (22124642122).
The spelling of 12103312001 in words is "twelve billion, one hundred three million, three hundred twelve thousand, one".
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