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204699332825 = 521317241153733
BaseRepresentation
bin1011111010100100000…
…1111111000011011001
3201120100211220112020022
42332221001333003121
511323211012122300
6234012041040225
720534432422541
oct2765101770331
9646324815208
10204699332825
11798a3489539
1233809486075
13163c2aa83a0
149c9c278321
1554d0cd9285
hex2fa907f0d9

204699332825 has 48 divisors (see below), whose sum is σ = 290634741936. Its totient is φ = 141679411200.

The previous prime is 204699332809. The next prime is 204699332833. The reversal of 204699332825 is 528233996402.

It can be written as a sum of positive squares in 24 ways, for example, as 107332243456 + 97367089369 = 327616^2 + 312037^2 .

It is not a de Polignac number, because 204699332825 - 24 = 204699332809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1254659 + ... + 1408391.

It is an arithmetic number, because the mean of its divisors is an integer number (6054890457).

Almost surely, 2204699332825 is an apocalyptic number.

204699332825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204699332825 is a deficient number, since it is larger than the sum of its proper divisors (85935409111).

204699332825 is a wasteful number, since it uses less digits than its factorization.

204699332825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154014 (or 154009 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 204699332825 in words is "two hundred four billion, six hundred ninety-nine million, three hundred thirty-two thousand, eight hundred twenty-five".

Divisors: 1 5 13 17 25 65 85 221 241 325 425 1105 1205 3133 4097 5525 6025 15665 20485 53261 78325 102425 153733 266305 768665 1331525 1998529 2613461 3843325 9992645 13067305 33974993 37049653 49963225 65336525 169874965 185248265 481645489 629844101 849374825 926241325 2408227445 3149220505 8187973313 12041137225 15746102525 40939866565 204699332825