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1420202113 = 11129109283
BaseRepresentation
bin101010010100110…
…1001000010000001
310122222100202001021
41110221221002001
510402032431423
6352531505441
750123342641
oct12451510201
93588322037
101420202113
11669737960
12337758281
13198302ba5
14d6890521
1584a3595d
hex54a69081

1420202113 has 4 divisors (see below), whose sum is σ = 1549311408. Its totient is φ = 1291092820.

The previous prime is 1420202089. The next prime is 1420202141. The reversal of 1420202113 is 3112020241.

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.

It is a cyclic number.

It is not a de Polignac number, because 1420202113 - 225 = 1386647681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420208113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64554631 + ... + 64554652.

It is an arithmetic number, because the mean of its divisors is an integer number (387327852).

Almost surely, 21420202113 is an apocalyptic number.

It is an amenable number.

1420202113 is a deficient number, since it is larger than the sum of its proper divisors (129109295).

1420202113 is a wasteful number, since it uses less digits than its factorization.

1420202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129109294.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1420202113 is about 37685.5690284756. The cubic root of 1420202113 is about 1124.0441891185.

Adding to 1420202113 its reverse (3112020241), we get a palindrome (4532222354).

The spelling of 1420202113 in words is "one billion, four hundred twenty million, two hundred two thousand, one hundred thirteen".

Divisors: 1 11 129109283 1420202113