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2555323031 = 43149398833
BaseRepresentation
bin1001100001001111…
…0010001010010111
320121002021212012202
42120103302022113
520213130314111
61101321235115
7120215613242
oct23023621227
96532255182
102555323031
1110a1460018
125b3932a9b
1331952c681
141a3532259
15ee507b3b
hex984f2297

2555323031 has 8 divisors (see below), whose sum is σ = 2632304400. Its totient is φ = 2479139712.

The previous prime is 2555323021. The next prime is 2555323033. The reversal of 2555323031 is 1303235552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2555323031 is a prime.

It is a super-2 number, since 2×25553230312 = 13059351585518053922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2555322985 and 2555323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555323033) 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, 193010 + ... + 205823.

It is an arithmetic number, because the mean of its divisors is an integer number (329038050).

Almost surely, 22555323031 is an apocalyptic number.

2555323031 is a deficient number, since it is larger than the sum of its proper divisors (76981369).

2555323031 is a wasteful number, since it uses less digits than its factorization.

2555323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399025.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 2555323031 is about 50550.2030757543. The cubic root of 2555323031 is about 1367.1471761158.

Adding to 2555323031 its reverse (1303235552), we get a palindrome (3858558583).

It can be divided in two parts, 25553 and 23031, that added together give a palindrome (48584).

The spelling of 2555323031 in words is "two billion, five hundred fifty-five million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 43 149 6407 398833 17149819 59426117 2555323031