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2543161255 = 54334933893
BaseRepresentation
bin1001011110010101…
…1000111110100111
320120020101222101121
42113211120332213
520202022130010
61100204434411
7120010341205
oct22745307647
96506358347
102543161255
111095603768
125ab848a07
13316b61b5b
141a1a88075
15ed4043da
hex97958fa7

2543161255 has 16 divisors (see below), whose sum is σ = 3131805600. Its totient is φ = 1981461888.

The previous prime is 2543161253. The next prime is 2543161259. The reversal of 2543161255 is 5521613452.

It is a cyclic number.

It is not a de Polignac number, because 2543161255 - 21 = 2543161253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2543161255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543161253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58089 + ... + 91981.

It is an arithmetic number, because the mean of its divisors is an integer number (195737850).

Almost surely, 22543161255 is an apocalyptic number.

2543161255 is a deficient number, since it is larger than the sum of its proper divisors (588644345).

2543161255 is a wasteful number, since it uses less digits than its factorization.

2543161255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34290.

The product of its digits is 36000, while the sum is 34.

The square root of 2543161255 is about 50429.7655655864. The cubic root of 2543161255 is about 1364.9747977117.

The spelling of 2543161255 in words is "two billion, five hundred forty-three million, one hundred sixty-one thousand, two hundred fifty-five".

Divisors: 1 5 43 215 349 1745 15007 33893 75035 169465 1457399 7286995 11828657 59143285 508632251 2543161255