Base | Representation |
---|---|
bin | 10001101001110010100… |
… | …010000001110000110011 |
3 | 11021222020011222220221122 |
4 | 101221302202001300303 |
5 | 124333413142101321 |
6 | 2325142544212455 |
7 | 153433543263014 |
oct | 21516242016063 |
9 | 4258204886848 |
10 | 1213102300211 |
11 | 42852369417a |
12 | 17713560a12b |
13 | 8a519c27179 |
14 | 42a006c300b |
15 | 218500e88ab |
hex | 11a72881c33 |
1213102300211 has 4 divisors (see below), whose sum is σ = 1218851600424. Its totient is φ = 1207353000000.
The previous prime is 1213102300183. The next prime is 1213102300237. The reversal of 1213102300211 is 1120032013121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1213102300211 - 210 = 1213102299187 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1213102300211.
It is not an unprimeable number, because it can be changed into a prime (1213102300271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874649790 + ... + 2874650211.
It is an arithmetic number, because the mean of its divisors is an integer number (304712900106).
Almost surely, 21213102300211 is an apocalyptic number.
1213102300211 is a deficient number, since it is larger than the sum of its proper divisors (5749300213).
1213102300211 is an equidigital number, since it uses as much as digits as its factorization.
1213102300211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5749300212.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1213102300211 its reverse (1120032013121), we get a palindrome (2333134313332).
The spelling of 1213102300211 in words is "one trillion, two hundred thirteen billion, one hundred two million, three hundred thousand, two hundred eleven".
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