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2013220023 = 3671073341
BaseRepresentation
bin111011111111111…
…0100110010110111
312012022020011200120
41313333310302313
513110341020043
6531434143023
7100614042063
oct16777646267
95168204616
102013220023
11943457001
12482281a73
13261125769
1415153aaa3
15bbb24983
hex77ff4cb7

2013220023 has 4 divisors (see below), whose sum is σ = 2684293368. Its totient is φ = 1342146680.

The previous prime is 2013220003. The next prime is 2013220039. The reversal of 2013220023 is 3200223102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2013220023 - 26 = 2013219959 is a prime.

It is a super-2 number, since 2×20132200232 = 8106109722016241058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013219984 and 2013220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335536668 + ... + 335536673.

It is an arithmetic number, because the mean of its divisors is an integer number (671073342).

Almost surely, 22013220023 is an apocalyptic number.

2013220023 is a deficient number, since it is larger than the sum of its proper divisors (671073345).

2013220023 is an equidigital number, since it uses as much as digits as its factorization.

2013220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671073344.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2013220023 is about 44868.9204572608. The cubic root of 2013220023 is about 1262.6909866020.

Adding to 2013220023 its reverse (3200223102), we get a palindrome (5213443125).

The spelling of 2013220023 in words is "two billion, thirteen million, two hundred twenty thousand, twenty-three".

Divisors: 1 3 671073341 2013220023