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1420794713 = 13109291901
BaseRepresentation
bin101010010101111…
…1001101101011001
310200000110211221102
41110223321231121
510402210412323
6352552321145
750131361432
oct12453715531
93600424842
101420794713
1166a002108
123379a31b5
1319847c840
14d69a6489
1584b01328
hex54af9b59

1420794713 has 4 divisors (see below), whose sum is σ = 1530086628. Its totient is φ = 1311502800.

The previous prime is 1420794701. The next prime is 1420794719. The reversal of 1420794713 is 3174970241.

It is a happy number.

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 945685504 + 475109209 = 30752^2 + 21797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420794713 - 28 = 1420794457 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 (1420794719) 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, 54645938 + ... + 54645963.

It is an arithmetic number, because the mean of its divisors is an integer number (382521657).

Almost surely, 21420794713 is an apocalyptic number.

1420794713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1420794713 is a deficient number, since it is larger than the sum of its proper divisors (109291915).

1420794713 is a wasteful number, since it uses less digits than its factorization.

1420794713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109291914.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1420794713 is about 37693.4306345283. The cubic root of 1420794713 is about 1124.2005086438.

The spelling of 1420794713 in words is "one billion, four hundred twenty million, seven hundred ninety-four thousand, seven hundred thirteen".

Divisors: 1 13 109291901 1420794713