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2555783105 = 5511156621
BaseRepresentation
bin1001100001010110…
…0010011111000001
320121010011020022112
42120111202133001
520213240024410
61101335145105
7120222540461
oct23025423701
96533136275
102555783105
1110a1744747
125b3b15195
13319660bc5
141a3611ba1
15ee599105
hex985627c1

2555783105 has 4 divisors (see below), whose sum is σ = 3066939732. Its totient is φ = 2044626480.

The previous prime is 2555783047. The next prime is 2555783141. The reversal of 2555783105 is 5013875552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1105163536 + 1450619569 = 33244^2 + 38087^2 .

It is a de Polignac number, because none of the positive numbers 2k-2555783105 is a prime.

It is a super-3 number, since 3×25557831053 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255578306 + ... + 255578315.

It is an arithmetic number, because the mean of its divisors is an integer number (766734933).

Almost surely, 22555783105 is an apocalyptic number.

It is an amenable number.

2555783105 is a deficient number, since it is larger than the sum of its proper divisors (511156627).

2555783105 is an equidigital number, since it uses as much as digits as its factorization.

2555783105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511156626.

The product of its (nonzero) digits is 210000, while the sum is 41.

The square root of 2555783105 is about 50554.7535351524. The cubic root of 2555783105 is about 1367.2292206841.

The spelling of 2555783105 in words is "two billion, five hundred fifty-five million, seven hundred eighty-three thousand, one hundred five".

Divisors: 1 5 511156621 2555783105