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1420033013 = 7202861859
BaseRepresentation
bin101010010100011…
…1111101111110101
310122222001011002022
41110220333233311
510402012024023
6352524122525
750122036640
oct12450775765
93588034068
101420033013
11669631903
12337696445
13198273c29
14d6848a57
1584a007c8
hex54a3fbf5

1420033013 has 4 divisors (see below), whose sum is σ = 1622894880. Its totient is φ = 1217171148.

The previous prime is 1420033009. The next prime is 1420033049. The reversal of 1420033013 is 3103300241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3103300241 = 17182547073.

It is a cyclic number.

It is not a de Polignac number, because 1420033013 - 22 = 1420033009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420032982 and 1420033000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420039013) 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, 101430923 + ... + 101430936.

It is an arithmetic number, because the mean of its divisors is an integer number (405723720).

Almost surely, 21420033013 is an apocalyptic number.

It is an amenable number.

1420033013 is a deficient number, since it is larger than the sum of its proper divisors (202861867).

1420033013 is an equidigital number, since it uses as much as digits as its factorization.

1420033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202861866.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1420033013 is about 37683.3253973160. The cubic root of 1420033013 is about 1123.9995749482. Note that the first 3 decimals are identical.

Adding to 1420033013 its reverse (3103300241), we get a palindrome (4523333254).

The spelling of 1420033013 in words is "one billion, four hundred twenty million, thirty-three thousand, thirteen".

Divisors: 1 7 202861859 1420033013