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2555103131 = 7365014733
BaseRepresentation
bin1001100001001011…
…1100011110011011
320121001212200120022
42120102330132123
520213101300011
61101312421055
7120214006160
oct23022743633
96531780508
102555103131
1110a131a889
125b384778b
13319483559
141a34b6067
15ee4b28db
hex984bc79b

2555103131 has 4 divisors (see below), whose sum is σ = 2920117872. Its totient is φ = 2190088392.

The previous prime is 2555103127. The next prime is 2555103169. The reversal of 2555103131 is 1313015552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2555103131 - 22 = 2555103127 is a prime.

It is a super-2 number, since 2×25551031312 = 13057104020092006322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2555103131.

It is not an unprimeable number, because it can be changed into a prime (2555106131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182507360 + ... + 182507373.

It is an arithmetic number, because the mean of its divisors is an integer number (730029468).

Almost surely, 22555103131 is an apocalyptic number.

2555103131 is a deficient number, since it is larger than the sum of its proper divisors (365014741).

2555103131 is an equidigital number, since it uses as much as digits as its factorization.

2555103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365014740.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 2555103131 is about 50548.0279635121. The cubic root of 2555103131 is about 1367.1079580750.

Adding to 2555103131 its reverse (1313015552), we get a palindrome (3868118683).

The spelling of 2555103131 in words is "two billion, five hundred fifty-five million, one hundred three thousand, one hundred thirty-one".

Divisors: 1 7 365014733 2555103131