Base | Representation |
---|---|
bin | 111100010110100… |
… | …1110101011011000 |
3 | 12020010121212211210 |
4 | 1320231032223120 |
5 | 13121412410040 |
6 | 532541223120 |
7 | 101120154201 |
oct | 17055165330 |
9 | 5203555753 |
10 | 2025122520 |
11 | 94a146583 |
12 | 486261aa0 |
13 | 263732265 |
14 | 152d585a8 |
15 | bcbc6480 |
hex | 78b4ead8 |
2025122520 has 64 divisors (see below), whose sum is σ = 6094890720. Its totient is φ = 538297344.
The previous prime is 2025122513. The next prime is 2025122521. The reversal of 2025122520 is 252215202.
It is a super-2 number, since 2×20251225202 = 8202242442022300800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2025122521) 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 15 ways as a sum of consecutive naturals, for example, 10602 + ... + 64518.
Almost surely, 22025122520 is an apocalyptic number.
2025122520 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 2025122520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3047445360).
2025122520 is an abundant number, since it is smaller than the sum of its proper divisors (4069768200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2025122520 is a wasteful number, since it uses less digits than its factorization.
2025122520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54244 (or 54240 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 2025122520 is about 45001.3613127425. The cubic root of 2025122520 is about 1265.1745128381.
Adding to 2025122520 its reverse (252215202), we get a palindrome (2277337722).
The spelling of 2025122520 in words is "two billion, twenty-five million, one hundred twenty-two thousand, five hundred twenty".
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