Base | Representation |
---|---|
bin | 1001010101010000… |
… | …0000100110011000 |
3 | 20110120200202021220 |
4 | 2111110000212120 |
5 | 20112243104040 |
6 | 1052323532040 |
7 | 116035402200 |
oct | 22524004630 |
9 | 6416622256 |
10 | 2505050520 |
11 | 1076043595 |
12 | 59ab2a020 |
13 | 30bcaa21b |
14 | 19a9a7400 |
15 | e9dc72d0 |
hex | 95500998 |
2505050520 has 192 divisors, whose sum is σ = 9122699520. Its totient is φ = 547658496.
The previous prime is 2505050507. The next prime is 2505050533. The reversal of 2505050520 is 250505052.
It is an interprime number because it is at equal distance from previous prime (2505050507) and next prime (2505050533).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125979 + ... + 144501.
It is an arithmetic number, because the mean of its divisors is an integer number (47514060).
Almost surely, 22505050520 is an apocalyptic number.
2505050520 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 2505050520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4561349760).
2505050520 is an abundant number, since it is smaller than the sum of its proper divisors (6617649000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2505050520 is a wasteful number, since it uses less digits than its factorization.
2505050520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18574 (or 18563 counting only the distinct ones).
The product of its (nonzero) digits is 2500, while the sum is 24.
The square root of 2505050520 is about 50050.4797179807. The cubic root of 2505050520 is about 1358.1221415630.
Adding to 2505050520 its reverse (250505052), we get a palindrome (2755555572).
The spelling of 2505050520 in words is "two billion, five hundred five million, fifty thousand, five hundred twenty".
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