Base | Representation |
---|---|
bin | 1011111010011010111… |
… | …1110111110101100100 |
3 | 201120021011211112222012 |
4 | 2332212233313311210 |
5 | 11323121210431434 |
6 | 234004152053352 |
7 | 20533456024316 |
oct | 2764657676544 |
9 | 646234745865 |
10 | 204661030244 |
11 | 798838a8210 |
12 | 337b8694258 |
13 | 163b7b87338 |
14 | 9c971477b6 |
15 | 54cc7703ce |
hex | 2fa6bf7d64 |
204661030244 has 48 divisors (see below), whose sum is σ = 415985746176. Its totient is φ = 87071731200.
The previous prime is 204661030241. The next prime is 204661030247. The reversal of 204661030244 is 442030166402.
It is an interprime number because it is at equal distance from previous prime (204661030241) and next prime (204661030247).
It is a super-2 number, since 2×2046610302442 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 204661030244.
It is not an unprimeable number, because it can be changed into a prime (204661030241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620444 + ... + 891219.
It is an arithmetic number, because the mean of its divisors is an integer number (8666369712).
Almost surely, 2204661030244 is an apocalyptic number.
It is an amenable number.
204661030244 is an abundant number, since it is smaller than the sum of its proper divisors (211324715932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204661030244 is a wasteful number, since it uses less digits than its factorization.
204661030244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1511876 (or 1511874 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 32.
Adding to 204661030244 its reverse (442030166402), we get a palindrome (646691196646).
The spelling of 204661030244 in words is "two hundred four billion, six hundred sixty-one million, thirty thousand, two hundred forty-four".
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