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1420020013 = 17103181019
BaseRepresentation
bin101010010100011…
…1100100100101101
310122222000111020211
41110220330210231
510402011120023
6352523542421
750121654016
oct12450744455
93588014224
101420020013
11669623065
1233768aa11
1319826b039
14d684400d
15849eba0d
hex54a3c92d

1420020013 has 8 divisors (see below), whose sum is σ = 1505027520. Its totient is φ = 1335176640.

The previous prime is 1420020011. The next prime is 1420020031. The reversal of 1420020013 is 3100200241.

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 1420020013 - 21 = 1420020011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420019975 and 1420020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22983 + ... + 58036.

It is an arithmetic number, because the mean of its divisors is an integer number (188128440).

Almost surely, 21420020013 is an apocalyptic number.

It is an amenable number.

1420020013 is a deficient number, since it is larger than the sum of its proper divisors (85007507).

1420020013 is a wasteful number, since it uses less digits than its factorization.

1420020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82067.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1420020013 is about 37683.1529068362. The cubic root of 1420020013 is about 1123.9961449719.

Adding to 1420020013 its reverse (3100200241), we get a palindrome (4520220254).

The spelling of 1420020013 in words is "one billion, four hundred twenty million, twenty thousand, thirteen".

Divisors: 1 17 1031 17527 81019 1377323 83530589 1420020013