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204065354740 = 22513784866749
BaseRepresentation
bin1011111000001100111…
…1100011001111110100
3201111201122222002210111
42332003033203033310
511320411212322430
6233425112432404
720512633616122
oct2760317431764
9644648862714
10204065354740
11795a8633405
12336710a8704
1316321643c20
149c3bda8912
155495308c2a
hex2f833e33f4

204065354740 has 24 divisors (see below), whose sum is σ = 461501649000. Its totient is φ = 75347207808.

The previous prime is 204065354729. The next prime is 204065354791. The reversal of 204065354740 is 47453560402.

It can be written as a sum of positive squares in 4 ways, for example, as 19258223076 + 184807131664 = 138774^2 + 429892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204065354693 and 204065354702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392433115 + ... + 392433634.

It is an arithmetic number, because the mean of its divisors is an integer number (19229235375).

Almost surely, 2204065354740 is an apocalyptic number.

204065354740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204065354740 is an abundant number, since it is smaller than the sum of its proper divisors (257436294260).

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

204065354740 is a wasteful number, since it uses less digits than its factorization.

204065354740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784866771 (or 784866769 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 204065354740 in words is "two hundred four billion, sixty-five million, three hundred fifty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 784866749 1569733498 3139466996 3924333745 7848667490 10203267737 15697334980 20406535474 40813070948 51016338685 102032677370 204065354740