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2013402311 = 3643552677
BaseRepresentation
bin111100000000010…
…0001010011000111
312012022120102201222
41320000201103013
513110412333221
6531442110555
7100615431404
oct17000412307
95168512658
102013402311
11943570a58
1248234b45b
1326118a71b
141515872ab
15bbb5d9ab
hex780214c7

2013402311 has 4 divisors (see below), whose sum is σ = 2013958632. Its totient is φ = 2012845992.

The previous prime is 2013402179. The next prime is 2013402367. The reversal of 2013402311 is 1132043102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1132043102 = 2566021551.

It is a cyclic number.

It is not a de Polignac number, because 2013402311 - 218 = 2013140167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013402311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013405311) 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, 272696 + ... + 279981.

It is an arithmetic number, because the mean of its divisors is an integer number (503489658).

Almost surely, 22013402311 is an apocalyptic number.

2013402311 is a deficient number, since it is larger than the sum of its proper divisors (556321).

2013402311 is an equidigital number, since it uses as much as digits as its factorization.

2013402311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556320.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2013402311 is about 44870.9517505479. The cubic root of 2013402311 is about 1262.7290957779.

Adding to 2013402311 its reverse (1132043102), we get a palindrome (3145445413).

The spelling of 2013402311 in words is "two billion, thirteen million, four hundred two thousand, three hundred eleven".

Divisors: 1 3643 552677 2013402311