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2553255805 = 51497014889
BaseRepresentation
bin1001100000101111…
…1001011101111101
320120221101211111211
42120023321131331
520212113141210
61101205044421
7120162213322
oct23013713575
96527354454
102553255805
1110a0278971
125b30b6711
13318c87769
141a3154b49
15ee24a38a
hex982f977d

2553255805 has 16 divisors (see below), whose sum is σ = 3089502000. Its totient is φ = 2025587200.

The previous prime is 2553255799. The next prime is 2553255839. The reversal of 2553255805 is 5085523552.

It can be written as a sum of positive squares in 8 ways, for example, as 682276 + 2552573529 = 826^2 + 50523^2 .

It is not a de Polignac number, because 2553255805 - 23 = 2553255797 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 519801 + ... + 524689.

It is an arithmetic number, because the mean of its divisors is an integer number (193093875).

Almost surely, 22553255805 is an apocalyptic number.

It is an amenable number.

2553255805 is a deficient number, since it is larger than the sum of its proper divisors (536246195).

2553255805 is a wasteful number, since it uses less digits than its factorization.

2553255805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744.

The product of its (nonzero) digits is 300000, while the sum is 40.

The square root of 2553255805 is about 50529.7516815589. The cubic root of 2553255805 is about 1366.7784080425.

The spelling of 2553255805 in words is "two billion, five hundred fifty-three million, two hundred fifty-five thousand, eight hundred five".

Divisors: 1 5 149 701 745 3505 4889 24445 104449 522245 728461 3427189 3642305 17135945 510651161 2553255805