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204062703289 = 2923724212
BaseRepresentation
bin1011111000001100010…
…1011011111010111001
3201111201110222101200121
42332003011123322321
511320410023001124
6233424535533241
720512602234004
oct2760305337271
9644643871617
10204062703289
11795a7092325
123367022a221
1316320c26113
149c3b8b853b
155494e832e4
hex2f8315beb9

204062703289 has 27 divisors (see below), whose sum is σ = 217725473511. Its totient is φ = 191245682880.

The previous prime is 204062703217. The next prime is 204062703329. The reversal of 204062703289 is 982307260402.

The square root of 204062703289 is 451733.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 148598685225 + 55464018064 = 385485^2 + 235508^2 .

It is not a de Polignac number, because 204062703289 - 27 = 204062703161 is a prime.

It is a super-2 number, since 2×2040627032892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204062703989) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 484709299 + ... + 484709719.

Almost surely, 2204062703289 is an apocalyptic number.

204062703289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

204062703289 is the 451733-rd square number.

204062703289 is the 225867-th centered octagonal number.

It is an amenable number.

204062703289 is a deficient number, since it is larger than the sum of its proper divisors (13662770222).

204062703289 is an frugal number, since it uses more digits than its factorization.

204062703289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 204062703289 in words is "two hundred four billion, sixty-two million, seven hundred three thousand, two hundred eighty-nine".

Divisors: 1 29 37 421 841 1073 1369 12209 15577 31117 39701 177241 354061 451733 576349 1151329 5139989 6557917 13100257 16714121 149059681 190179593 242642929 484709509 5515208197 7036644941 204062703289