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2561026054 = 212771002751
BaseRepresentation
bin1001100010100110…
…0010100000000110
320121111000121021211
42120221202200012
520221110313204
61102043402034
7120315235156
oct23051424006
96544017254
102561026054
1110a46a5864
125b582331a
1331a778442
141a41b8766
15eec82804
hex98a62806

2561026054 has 8 divisors (see below), whose sum is σ = 3844551168. Its totient is φ = 1279509000.

The previous prime is 2561026051. The next prime is 2561026123. The reversal of 2561026054 is 4506201652.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561026051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498822 + ... + 503929.

It is an arithmetic number, because the mean of its divisors is an integer number (480568896).

Almost surely, 22561026054 is an apocalyptic number.

2561026054 is a deficient number, since it is larger than the sum of its proper divisors (1283525114).

2561026054 is a wasteful number, since it uses less digits than its factorization.

2561026054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004030.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2561026054 is about 50606.5811332874. The cubic root of 2561026054 is about 1368.1634962274.

The spelling of 2561026054 in words is "two billion, five hundred sixty-one million, twenty-six thousand, fifty-four".

Divisors: 1 2 1277 2554 1002751 2005502 1280513027 2561026054