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2543005113 = 311312485831
BaseRepresentation
bin1001011110010011…
…0010110110111001
320120020010001012120
42113210302312321
520202002130423
61100201231453
7120006121035
oct22744626671
96506101176
102543005113
111095507420
125ab792589
13316b08a6c
141a1a471c5
15ed3c2ee3
hex97932db9

2543005113 has 16 divisors (see below), whose sum is σ = 3818237952. Its totient is φ = 1491498000.

The previous prime is 2543005111. The next prime is 2543005141. The reversal of 2543005113 is 3115003452.

It is not a de Polignac number, because 2543005113 - 21 = 2543005111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543005111) 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, 1241893 + ... + 1243938.

It is an arithmetic number, because the mean of its divisors is an integer number (238639872).

Almost surely, 22543005113 is an apocalyptic number.

It is an amenable number.

2543005113 is a deficient number, since it is larger than the sum of its proper divisors (1275232839).

2543005113 is a wasteful number, since it uses less digits than its factorization.

2543005113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485876.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2543005113 is about 50428.2174283407. The cubic root of 2543005113 is about 1364.9468621051.

Adding to 2543005113 its reverse (3115003452), we get a palindrome (5658008565).

The spelling of 2543005113 in words is "two billion, five hundred forty-three million, five thousand, one hundred thirteen".

Divisors: 1 3 11 31 33 93 341 1023 2485831 7457493 27344141 77060761 82032423 231182283 847668371 2543005113