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2550220552 = 2311178716217
BaseRepresentation
bin1001100000000001…
…0100011100001000
320120201200121221001
42120000110130020
520210324024202
61101020024344
7120124342225
oct23000243410
96521617831
102550220552
1110995954a0
125b20920b4
13318464059
141a29a494c
15edd4ad87
hex98014708

2550220552 has 32 divisors (see below), whose sum is σ = 5219601120. Its totient is φ = 1158471040.

The previous prime is 2550220511. The next prime is 2550220553.

2550220552 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×25502205523 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2550220552.

It is not an unprimeable number, because it can be changed into a prime (2550220553) 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, 149148 + ... + 165364.

It is an arithmetic number, because the mean of its divisors is an integer number (163112535).

Almost surely, 22550220552 is an apocalyptic number.

2550220552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2550220552 is an abundant number, since it is smaller than the sum of its proper divisors (2669380568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2550220552 is a wasteful number, since it uses less digits than its factorization.

2550220552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021 (or 18017 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 2550220552 is about 50499.7084348019. The cubic root of 2550220552 is about 1366.2365948237.

The spelling of 2550220552 in words is "two billion, five hundred fifty million, two hundred twenty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 1787 3574 7148 14296 16217 19657 32434 39314 64868 78628 129736 157256 178387 356774 713548 1427096 28979779 57959558 115919116 231838232 318777569 637555138 1275110276 2550220552