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204444535312 = 2417751634321
BaseRepresentation
bin1011111001100111011…
…0000000101000010000
3201112201002110110202101
42332121312000220100
511322200300112222
6233530455530144
720525216606623
oct2763166005020
9645632413671
10204444535312
1179782679386
1233758089954
1316382076124
149c764addba
1554b8758927
hex2f99d80a10

204444535312 has 20 divisors (see below), whose sum is σ = 419411951676. Its totient is φ = 96209192960.

The previous prime is 204444535307. The next prime is 204444535367. The reversal of 204444535312 is 213535444402.

It can be written as a sum of positive squares in 2 ways, for example, as 182349496576 + 22095038736 = 427024^2 + 148644^2 .

It is a super-2 number, since 2×2044445353122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375816889 + ... + 375817432.

Almost surely, 2204444535312 is an apocalyptic number.

It is an amenable number.

204444535312 is an abundant number, since it is smaller than the sum of its proper divisors (214967416364).

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

204444535312 is a wasteful number, since it uses less digits than its factorization.

204444535312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751634346 (or 751634340 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 204444535312 its reverse (213535444402), we get a palindrome (417979979714).

The spelling of 204444535312 in words is "two hundred four billion, four hundred forty-four million, five hundred thirty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 136 272 751634321 1503268642 3006537284 6013074568 12026149136 12777783457 25555566914 51111133828 102222267656 204444535312