Base | Representation |
---|---|
bin | 101010101010001… |
… | …1111001111011001 |
3 | 10200202111101120112 |
4 | 1111110133033121 |
5 | 10412421343301 |
6 | 354012334105 |
7 | 50320663361 |
oct | 12524371731 |
9 | 3622441515 |
10 | 1431434201 |
11 | 67500977a |
12 | 33b474335 |
13 | 19a7364b2 |
14 | d81759a1 |
15 | 85a039bb |
hex | 5551f3d9 |
1431434201 has 4 divisors (see below), whose sum is σ = 1437374004. Its totient is φ = 1425494400.
The previous prime is 1431434197. The next prime is 1431434237. The reversal of 1431434201 is 1024341341.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1131313225 + 300120976 = 33635^2 + 17324^2 .
It is a cyclic number.
It is not a de Polignac number, because 1431434201 - 22 = 1431434197 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1431434261) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2969540 + ... + 2970021.
It is an arithmetic number, because the mean of its divisors is an integer number (359343501).
Almost surely, 21431434201 is an apocalyptic number.
It is an amenable number.
1431434201 is a deficient number, since it is larger than the sum of its proper divisors (5939803).
1431434201 is an equidigital number, since it uses as much as digits as its factorization.
1431434201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5939802.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 1431434201 is about 37834.2992666707. The cubic root of 1431434201 is about 1126.9996897952. Note that the first 3 decimals are identical.
Adding to 1431434201 its reverse (1024341341), we get a palindrome (2455775542).
The spelling of 1431434201 in words is "one billion, four hundred thirty-one million, four hundred thirty-four thousand, two hundred one".
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