Base | Representation |
---|---|
bin | 100100011101001010111… |
… | …000001000100011000110 |
3 | 22212111102020110220121100 |
4 | 210131022320020203012 |
5 | 312021143333201010 |
6 | 5154514433200530 |
7 | 345665512013355 |
oct | 44351270104306 |
9 | 8774366426540 |
10 | 2505222162630 |
11 | 886505666370 |
12 | 345641a00146 |
13 | 15231a5878b5 |
14 | 8937948599c |
15 | 452772ed2c0 |
hex | 2474ae088c6 |
2505222162630 has 96 divisors (see below), whose sum is σ = 7106326445088. Its totient is φ = 607274841600.
The previous prime is 2505222162593. The next prime is 2505222162631. The reversal of 2505222162630 is 362612225052.
2505222162630 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 2 + 2 + 2 + 16 + 2 + 630 = 666.
It is a super-2 number, since 2×25052221626302 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2505222162631) 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 47 ways as a sum of consecutive naturals, for example, 12230860 + ... + 12434000.
It is an arithmetic number, because the mean of its divisors is an integer number (74024233803).
Almost surely, 22505222162630 is an apocalyptic number.
2505222162630 is an abundant number, since it is smaller than the sum of its proper divisors (4601104282458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2505222162630 is a wasteful number, since it uses less digits than its factorization.
2505222162630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215622 (or 215619 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
Adding to 2505222162630 its reverse (362612225052), we get a palindrome (2867834387682).
The spelling of 2505222162630 in words is "two trillion, five hundred five billion, two hundred twenty-two million, one hundred sixty-two thousand, six hundred thirty".
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