Base | Representation |
---|---|
bin | 101110001010011110101101… |
… | …000010110000101011001010 |
3 | 222121212111200211220011201100 |
4 | 232022132231002300223022 |
5 | 203102422024332344432 |
6 | 1555450455551002230 |
7 | 60523312105302243 |
oct | 5612365502605312 |
9 | 877774624804640 |
10 | 203030302231242 |
11 | 59767738690942 |
12 | 1a930771509376 |
13 | 89398a1983415 |
14 | 381ca0d159cca |
15 | 187143dc0c07c |
hex | b8a7ad0b0aca |
203030302231242 has 12 divisors (see below), whose sum is σ = 439898988167730. Its totient is φ = 67676767410408.
The previous prime is 203030302231241. The next prime is 203030302231249. The reversal of 203030302231242 is 242132203030302.
203030302231242 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 3 + 0 + 302 + 2 + 312 + 42 = 666.
It can be written as a sum of positive squares in only one way, i.e., 120924793689561 + 82105508541681 = 10996581^2 + 9061209^2 .
It is not an unprimeable number, because it can be changed into a prime (203030302231241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5639730617517 + ... + 5639730617552.
Almost surely, 2203030302231242 is an apocalyptic number.
203030302231242 is an abundant number, since it is smaller than the sum of its proper divisors (236868685936488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203030302231242 is a wasteful number, since it uses less digits than its factorization.
203030302231242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11279461235077 (or 11279461235074 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 203030302231242 its reverse (242132203030302), we get a palindrome (445162505261544).
The spelling of 203030302231242 in words is "two hundred three trillion, thirty billion, three hundred two million, two hundred thirty-one thousand, two hundred forty-two".
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