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2013025343 = 72329431147
BaseRepresentation
bin111011111111100…
…0101010000111111
312012021212021122012
41313333011100333
513110313302333
6531430041435
7100612301360
oct16777052077
95167767565
102013025343
1194333380a
124821a927b
13261087c74
141514c9b67
15bbad6e48
hex77fc543f

2013025343 has 16 divisors (see below), whose sum is σ = 2483412480. Its totient is φ = 1593515616.

The previous prime is 2013025321. The next prime is 2013025351. The reversal of 2013025343 is 3435203102.

It is not a de Polignac number, because 2013025343 - 228 = 1744589887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013025373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210905 + ... + 220242.

It is an arithmetic number, because the mean of its divisors is an integer number (155213280).

Almost surely, 22013025343 is an apocalyptic number.

2013025343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2013025343 is a deficient number, since it is larger than the sum of its proper divisors (470387137).

2013025343 is a wasteful number, since it uses less digits than its factorization.

2013025343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431206.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2013025343 is about 44866.7509744131. The cubic root of 2013025343 is about 1262.6502842110.

Adding to 2013025343 its reverse (3435203102), we get a palindrome (5448228445).

The spelling of 2013025343 in words is "two billion, thirteen million, twenty-five thousand, three hundred forty-three".

Divisors: 1 7 23 29 161 203 667 4669 431147 3018029 9916381 12503263 69414667 87522841 287575049 2013025343