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2505255080 = 235313076581
BaseRepresentation
bin1001010101010011…
…0010100010101000
320110121002010220012
42111110302202220
520112321130310
61052332151052
7116040213446
oct22524624250
96417063805
102505255080
111076173249
1259b008488
1330c04c373
1419aa1bb96
15e9e17c05
hex955328a8

2505255080 has 64 divisors (see below), whose sum is σ = 5838497280. Its totient is φ = 966470400.

The previous prime is 2505255047. The next prime is 2505255091. The reversal of 2505255080 is 805525052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377390 + ... + 383970.

It is an arithmetic number, because the mean of its divisors is an integer number (91226520).

Almost surely, 22505255080 is an apocalyptic number.

2505255080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2505255080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2919248640).

2505255080 is an abundant number, since it is smaller than the sum of its proper divisors (3333242200).

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

2505255080 is a wasteful number, since it uses less digits than its factorization.

2505255080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930 (or 6926 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 2505255080 is about 50052.5232131208. The cubic root of 2505255080 is about 1358.1591082031.

The spelling of 2505255080 in words is "two billion, five hundred five million, two hundred fifty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 307 310 614 620 1228 1240 1535 2456 3070 6140 6581 9517 12280 13162 19034 26324 32905 38068 47585 52648 65810 76136 95170 131620 190340 204011 263240 380680 408022 816044 1020055 1632088 2020367 2040110 4040734 4080220 8081468 8160440 10101835 16162936 20203670 40407340 62631377 80814680 125262754 250525508 313156885 501051016 626313770 1252627540 2505255080