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204440304304 = 24195776171889
BaseRepresentation
bin1011111001100110010…
…1110111101010110000
3201112200210111111220101
42332121211313222300
511322143204214204
6233530225122144
720525135625415
oct2763145675260
9645623444811
10204440304304
1179780249585
1233756789354
1316381224382
149c75acc10c
1554b81beea4
hex2f99977ab0

204440304304 has 80 divisors (see below), whose sum is σ = 418571647200. Its totient is φ = 96464535552.

The previous prime is 204440304259. The next prime is 204440304307. The reversal of 204440304304 is 403403044402.

It is not an unprimeable number, because it can be changed into a prime (204440304307) 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, 108225792 + ... + 108227680.

It is an arithmetic number, because the mean of its divisors is an integer number (5232145590).

Almost surely, 2204440304304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204440304304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209285823600).

204440304304 is an abundant number, since it is smaller than the sum of its proper divisors (214131342896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204440304304 is a wasteful number, since it uses less digits than its factorization.

204440304304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110 (or 3104 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 204440304304 its reverse (403403044402), we get a palindrome (607843348706).

The spelling of 204440304304 in words is "two hundred four billion, four hundred forty million, three hundred four thousand, three hundred four".

Divisors: 1 2 4 8 16 19 38 76 152 304 577 617 1154 1234 1889 2308 2468 3778 4616 4936 7556 9232 9872 10963 11723 15112 21926 23446 30224 35891 43852 46892 71782 87704 93784 143564 175408 187568 287128 356009 574256 712018 1089953 1165513 1424036 2179906 2331026 2848072 4359812 4662052 5696144 6764171 8719624 9324104 13528342 17439248 18648208 20709107 22144747 27056684 41418214 44289494 54113368 82836428 88578988 108226736 165672856 177157976 331345712 354315952 672501001 1345002002 2690004004 5380008008 10760016016 12777519019 25555038038 51110076076 102220152152 204440304304