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2554143505 = 5618374241
BaseRepresentation
bin1001100000111101…
…0010001100010001
320121000001221012121
42120033102030101
520212330043010
61101240054241
7120202601344
oct23017221421
96530057177
102554143505
1110a0824901
125b3464381
13319208824
141a330645b
15ee3733da
hex983d2311

2554143505 has 8 divisors (see below), whose sum is σ = 3115218024. Its totient is φ = 2009817600.

The previous prime is 2554143467. The next prime is 2554143551. The reversal of 2554143505 is 5053414552.

It can be written as a sum of positive squares in 4 ways, for example, as 270832849 + 2283310656 = 16457^2 + 47784^2 .

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

It is not a de Polignac number, because 2554143505 - 27 = 2554143377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4186816 + ... + 4187425.

It is an arithmetic number, because the mean of its divisors is an integer number (389402253).

Almost surely, 22554143505 is an apocalyptic number.

It is an amenable number.

2554143505 is a deficient number, since it is larger than the sum of its proper divisors (561074519).

2554143505 is an equidigital number, since it uses as much as digits as its factorization.

2554143505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374307.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2554143505 is about 50538.5348521304. The cubic root of 2554143505 is about 1366.9367873437.

The spelling of 2554143505 in words is "two billion, five hundred fifty-four million, one hundred forty-three thousand, five hundred five".

Divisors: 1 5 61 305 8374241 41871205 510828701 2554143505