Base | Representation |
---|---|
bin | 1011001001000010111111… |
… | …1001000011001010101000 |
3 | 1121101002112001200000112200 |
4 | 2302100233321003022220 |
5 | 3101201100323300040 |
6 | 42015332333540200 |
7 | 2403015443523321 |
oct | 262205771031250 |
9 | 47332461600480 |
10 | 12250050212520 |
11 | 39a3242a944aa |
12 | 145a185044660 |
13 | 6ab236cac813 |
14 | 304c96d41448 |
15 | 1639ba357630 |
hex | b242fe432a8 |
12250050212520 has 96 divisors (see below), whose sum is σ = 39813497048520. Its totient is φ = 3266611637760.
The previous prime is 12250050212497. The next prime is 12250050212557. The reversal of 12250050212520 is 2521205005221.
It is a happy number.
12250050212520 is a `hidden beast` number, since 1 + 22 + 50 + 0 + 50 + 21 + 2 + 520 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 5914731008484 + 6335319204036 = 2432022^2 + 2517006^2 .
It is a super-2 number, since 2×122500502125202 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18195342 + ... + 18856578.
Almost surely, 212250050212520 is an apocalyptic number.
12250050212520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12250050212520 is an abundant number, since it is smaller than the sum of its proper divisors (27563446836000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12250050212520 is a wasteful number, since it uses less digits than its factorization.
12250050212520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 712715 (or 712708 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
Adding to 12250050212520 its reverse (2521205005221), we get a palindrome (14771255217741).
The spelling of 12250050212520 in words is "twelve trillion, two hundred fifty billion, fifty million, two hundred twelve thousand, five hundred twenty".
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