Base | Representation |
---|---|
bin | 100100101010010… |
… | …0111011111011001 |
3 | 10011201201122202122 |
4 | 1021110213133121 |
5 | 10004404011101 |
6 | 322022111025 |
7 | 42325013036 |
oct | 11124473731 |
9 | 3151648678 |
10 | 1230141401 |
11 | 581423495 |
12 | 2a3b7b475 |
13 | 167b18928 |
14 | b953838d |
15 | 72ee151b |
hex | 495277d9 |
1230141401 has 8 divisors (see below), whose sum is σ = 1272966600. Its totient is φ = 1187343360.
The previous prime is 1230141389. The next prime is 1230141413. The reversal of 1230141401 is 1041410321.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1230141389) and next prime (1230141413).
It can be written as a sum of positive squares in 4 ways, for example, as 228735376 + 1001406025 = 15124^2 + 31645^2 .
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 1230141401 - 26 = 1230141337 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1230141401.
It is not an unprimeable number, because it can be changed into a prime (1230144401) 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 7 ways as a sum of consecutive naturals, for example, 138041 + ... + 146681.
It is an arithmetic number, because the mean of its divisors is an integer number (159120825).
Almost surely, 21230141401 is an apocalyptic number.
It is an amenable number.
1230141401 is a deficient number, since it is larger than the sum of its proper divisors (42825199).
1230141401 is an equidigital number, since it uses as much as digits as its factorization.
1230141401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13579.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1230141401 is about 35073.3716799512. The cubic root of 1230141401 is about 1071.4823258051.
Adding to 1230141401 its reverse (1041410321), we get a palindrome (2271551722).
The spelling of 1230141401 in words is "one billion, two hundred thirty million, one hundred forty-one thousand, four hundred one".
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