Base | Representation |
---|---|
bin | 11000001101110111… |
… | …01001111000001101 |
3 | 1020120002001112221221 |
4 | 30012323221320031 |
5 | 203111302000323 |
6 | 5550032523341 |
7 | 640116255355 |
oct | 140673517015 |
9 | 36502045857 |
10 | 13001203213 |
11 | 5571927449 |
12 | 262a0b0551 |
13 | 12c270356b |
14 | 8b499db65 |
15 | 5115dd55d |
hex | 306ee9e0d |
13001203213 has 8 divisors (see below), whose sum is σ = 13249536768. Its totient is φ = 12752981904.
The previous prime is 13001203211. The next prime is 13001203217. The reversal of 13001203213 is 31230210031.
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 13001203213 - 21 = 13001203211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13001203211) 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, 227856 + ... + 279142.
It is an arithmetic number, because the mean of its divisors is an integer number (1656192096).
Almost surely, 213001203213 is an apocalyptic number.
It is an amenable number.
13001203213 is a deficient number, since it is larger than the sum of its proper divisors (248333555).
13001203213 is an equidigital number, since it uses as much as digits as its factorization.
13001203213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56123.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13001203213 its reverse (31230210031), we get a palindrome (44231413244).
The spelling of 13001203213 in words is "thirteen billion, one million, two hundred three thousand, two hundred thirteen".
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