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204661030244 = 2211171811511663
BaseRepresentation
bin1011111010011010111…
…1110111110101100100
3201120021011211112222012
42332212233313311210
511323121210431434
6234004152053352
720533456024316
oct2764657676544
9646234745865
10204661030244
11798838a8210
12337b8694258
13163b7b87338
149c971477b6
1554cc7703ce
hex2fa6bf7d64

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".

Divisors: 1 2 4 11 17 22 34 44 68 181 187 362 374 724 748 1991 3077 3982 6154 7964 12308 33847 67694 135388 1511663 3023326 6046652 16628293 25698271 33256586 51396542 66513172 102793084 273611003 282680981 547222006 565361962 1094444012 1130723924 3009721033 4651387051 6019442066 9302774102 12038884132 18605548204 51165257561 102330515122 204661030244