Base | Representation |
---|---|
bin | 10110100010110010… |
… | …10010011110010001 |
3 | 1011020110221012112101 |
4 | 23101121102132101 |
5 | 144241332031001 |
6 | 5320545200401 |
7 | 605631551056 |
oct | 132131223621 |
9 | 34213835471 |
10 | 12103002001 |
11 | 51509135a2 |
12 | 2419330101 |
13 | 11ab5b985c |
14 | 82b59102d |
15 | 4ac819a01 |
hex | 2d1652791 |
12103002001 has 8 divisors (see below), whose sum is σ = 12176800200. Its totient is φ = 12029411328.
The previous prime is 12103001951. The next prime is 12103002047. The reversal of 12103002001 is 10020030121.
It can be written as a sum of positive squares in 4 ways, for example, as 6338548225 + 5764453776 = 79615^2 + 75924^2 .
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 12103002001 - 29 = 12103001489 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12103002601) 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, 65925 + ... + 168973.
It is an arithmetic number, because the mean of its divisors is an integer number (1522100025).
Almost surely, 212103002001 is an apocalyptic number.
It is an amenable number.
12103002001 is a deficient number, since it is larger than the sum of its proper divisors (73798199).
12103002001 is a wasteful number, since it uses less digits than its factorization.
12103002001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103763.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 12103002001 its reverse (10020030121), we get a palindrome (22123032122).
The spelling of 12103002001 in words is "twelve billion, one hundred three million, two thousand, one".
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