Base | Representation |
---|---|
bin | 10111001100110001… |
… | …10100010111010101 |
3 | 1012011000122201122121 |
4 | 23212120310113111 |
5 | 201002012401323 |
6 | 5415530055541 |
7 | 620436312031 |
oct | 134630642725 |
9 | 35130581577 |
10 | 12455200213 |
11 | 53116aa2a5 |
12 | 24b727a5b1 |
13 | 1236562471 |
14 | 8622711c1 |
15 | 4cd6d9a5d |
hex | 2e66345d5 |
12455200213 has 8 divisors (see below), whose sum is σ = 12647371968. Its totient is φ = 12263611104.
The previous prime is 12455200201. The next prime is 12455200231. The reversal of 12455200213 is 31200255421.
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 12455200213 - 213 = 12455192021 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 (12455200253) 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, 102481 + ... + 188182.
It is an arithmetic number, because the mean of its divisors is an integer number (1580921496).
Almost surely, 212455200213 is an apocalyptic number.
It is an amenable number.
12455200213 is a deficient number, since it is larger than the sum of its proper divisors (192171755).
12455200213 is an equidigital number, since it uses as much as digits as its factorization.
12455200213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291323.
The product of its (nonzero) digits is 2400, while the sum is 25.
Adding to 12455200213 its reverse (31200255421), we get a palindrome (43655455634).
The spelling of 12455200213 in words is "twelve billion, four hundred fifty-five million, two hundred thousand, two hundred thirteen".
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