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204313031004 = 223711491609423
BaseRepresentation
bin1011111001001000000…
…0010111000101011100
3201112100221000100202110
42332102000113011130
511321413113443004
6233505441154020
720522032052265
oct2762200270534
9645327010673
10204313031004
117971541a235
123372002b910
1316360a51a24
149c62c3b96c
1554abe2e589
hex2f9201715c

204313031004 has 48 divisors (see below), whose sum is σ = 486689817600. Its totient is φ = 66694447680.

The previous prime is 204313030949. The next prime is 204313031017. The reversal of 204313031004 is 400130313402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677764 + ... + 931659.

It is an arithmetic number, because the mean of its divisors is an integer number (10139371200).

Almost surely, 2204313031004 is an apocalyptic number.

It is an amenable number.

204313031004 is an abundant number, since it is smaller than the sum of its proper divisors (282376786596).

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

204313031004 is a wasteful number, since it uses less digits than its factorization.

204313031004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609650 (or 1609648 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 204313031004 its reverse (400130313402), we get a palindrome (604443344406).

The spelling of 204313031004 in words is "two hundred four billion, three hundred thirteen million, thirty-one thousand, four".

Divisors: 1 2 3 4 6 12 71 142 149 213 284 298 426 447 596 852 894 1788 10579 21158 31737 42316 63474 126948 1609423 3218846 4828269 6437692 9656538 19313076 114269033 228538066 239804027 342807099 457076132 479608054 685614198 719412081 959216108 1371228396 1438824162 2877648324 17026085917 34052171834 51078257751 68104343668 102156515502 204313031004