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2563048861 = 23211528137
BaseRepresentation
bin1001100011000101…
…0000010110011101
320121121211101001121
42120301100112131
520222120030421
61102155010541
7120341361442
oct23061202635
96547741047
102563048861
1110a58575aa
125b6439a51
1331b006079
141a45839c9
15100031d41
hex98c5059d

2563048861 has 8 divisors (see below), whose sum is σ = 2687166144. Its totient is φ = 2439988320.

The previous prime is 2563048853. The next prime is 2563048919. The reversal of 2563048861 is 1688403652.

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

It is a cyclic number.

It is not a de Polignac number, because 2563048861 - 23 = 2563048853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563048811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259216 + ... + 268921.

It is an arithmetic number, because the mean of its divisors is an integer number (335895768).

Almost surely, 22563048861 is an apocalyptic number.

It is an amenable number.

2563048861 is a deficient number, since it is larger than the sum of its proper divisors (124117283).

2563048861 is a wasteful number, since it uses less digits than its factorization.

2563048861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528371.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2563048861 is about 50626.5628005694. The cubic root of 2563048861 is about 1368.5236126183.

The spelling of 2563048861 in words is "two billion, five hundred sixty-three million, forty-eight thousand, eight hundred sixty-one".

Divisors: 1 23 211 4853 528137 12147151 111436907 2563048861