Base | Representation |
---|---|
bin | 100100101100100… |
… | …0010011001110110 |
3 | 10011210220112100122 |
4 | 1021121002121312 |
5 | 10010203101324 |
6 | 322103011542 |
7 | 42340610354 |
oct | 11131023166 |
9 | 3153815318 |
10 | 1231300214 |
11 | 582045091 |
12 | 2a4439bb2 |
13 | 168133211 |
14 | b975a7d4 |
15 | 7316ea5e |
hex | 49642676 |
1231300214 has 4 divisors (see below), whose sum is σ = 1846950324. Its totient is φ = 615650106.
The previous prime is 1231300211. The next prime is 1231300243. The reversal of 1231300214 is 4120031321.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×12313002142 = 3032200433992891592, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1231300192 and 1231300201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231300211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307825052 + ... + 307825055.
It is an arithmetic number, because the mean of its divisors is an integer number (461737581).
Almost surely, 21231300214 is an apocalyptic number.
1231300214 is a deficient number, since it is larger than the sum of its proper divisors (615650110).
1231300214 is an equidigital number, since it uses as much as digits as its factorization.
1231300214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615650109.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1231300214 is about 35089.8876316240. The cubic root of 1231300214 is about 1071.8186714120.
Adding to 1231300214 its reverse (4120031321), we get a palindrome (5351331535).
The spelling of 1231300214 in words is "one billion, two hundred thirty-one million, three hundred thousand, two hundred fourteen".
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