Base | Representation |
---|---|
bin | 1110000101111001110… |
… | …1110001010110111001 |
3 | 212010220120120021111021 |
4 | 3201132131301112321 |
5 | 12431311333444400 |
6 | 303115352102441 |
7 | 23330352545116 |
oct | 3413635612671 |
9 | 763816507437 |
10 | 242103031225 |
11 | 93747938780 |
12 | 3ab07994a21 |
13 | 19aa3cb11c3 |
14 | ba09ac790d |
15 | 646e8c171a |
hex | 385e7715b9 |
242103031225 has 12 divisors (see below), whose sum is σ = 327499373520. Its totient is φ = 176074931600.
The previous prime is 242103031207. The next prime is 242103031271. The reversal of 242103031225 is 522130301242.
It is not a de Polignac number, because 242103031225 - 215 = 242102998457 is a prime.
It is a super-2 number, since 2×2421030312252 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 242103031225.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440187055 + ... + 440187604.
It is an arithmetic number, because the mean of its divisors is an integer number (27291614460).
Almost surely, 2242103031225 is an apocalyptic number.
242103031225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
242103031225 is a deficient number, since it is larger than the sum of its proper divisors (85396342295).
242103031225 is a wasteful number, since it uses less digits than its factorization.
242103031225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 880374680 (or 880374675 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 242103031225 its reverse (522130301242), we get a palindrome (764233332467).
The spelling of 242103031225 in words is "two hundred forty-two billion, one hundred three million, thirty-one thousand, two hundred twenty-five".
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