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204485006450 = 2529754137789
BaseRepresentation
bin1011111001110001000…
…0011001010001110010
3201112210220121121201102
42332130100121101302
511322241130201300
6233534503204402
720526220606364
oct2763420312162
9645726547642
10204485006450
11797a35009aa
1233769746702
131638a57624a
149c7ba06d34
1554bc0a00d5
hex2f9c419472

204485006450 has 48 divisors (see below), whose sum is σ = 384383496840. Its totient is φ = 80925419520.

The previous prime is 204485006443. The next prime is 204485006581. The reversal of 204485006450 is 54600584402.

It can be written as a sum of positive squares in 12 ways, for example, as 2983672129 + 201501334321 = 54623^2 + 448889^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26249156 + ... + 26256944.

Almost surely, 2204485006450 is an apocalyptic number.

204485006450 is a deficient number, since it is larger than the sum of its proper divisors (179898490390).

204485006450 is a wasteful number, since it uses less digits than its factorization.

204485006450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13311 (or 13306 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 204485006450 in words is "two hundred four billion, four hundred eighty-five million, six thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 97 194 485 970 2425 4850 5413 7789 10826 15578 27065 38945 54130 77890 135325 194725 270650 389450 525061 755533 1050122 1511066 2625305 3777665 5250610 7555330 13126525 18888325 26253050 37776650 42161857 84323714 210809285 421618570 1054046425 2108092850 4089700129 8179400258 20448500645 40897001290 102242503225 204485006450