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2255042581 = 11297069099
BaseRepresentation
bin1000011001101001…
…0011100000010101
312211011021000212121
42012122103200111
514104242330311
61011433215541
7106611355111
oct20632234025
95734230777
102255042581
11a57a04960
1252b2615b1
1329c26402c
141756c8741
15d2e90b71
hex86693815

2255042581 has 8 divisors (see below), whose sum is σ = 2544876000. Its totient is φ = 1979347440.

The previous prime is 2255042561. The next prime is 2255042609. The reversal of 2255042581 is 1852405522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2255042581 - 213 = 2255034389 is a prime.

It is a super-2 number, since 2×22550425812 = 10170434084246283122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255042561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3534231 + ... + 3534868.

It is an arithmetic number, because the mean of its divisors is an integer number (318109500).

Almost surely, 22255042581 is an apocalyptic number.

It is an amenable number.

2255042581 is a deficient number, since it is larger than the sum of its proper divisors (289833419).

2255042581 is a wasteful number, since it uses less digits than its factorization.

2255042581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069139.

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 2255042581 is about 47487.2886254838. The cubic root of 2255042581 is about 1311.3488778864.

The spelling of 2255042581 in words is "two billion, two hundred fifty-five million, forty-two thousand, five hundred eighty-one".

Divisors: 1 11 29 319 7069099 77760089 205003871 2255042581