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229808060689 = 17216321732
BaseRepresentation
bin1101011000000110100…
…0001011100100010001
3210222011201102001122011
43112001220023210101
512231121330420224
6253323344142521
722413600200014
oct3260150134421
9728151361564
10229808060689
11895087283a9
1238656307a41
13188949bcbcc
14b1a0c4537b
155ea02d7394
hex3581a0b911

229808060689 has 27 divisors (see below), whose sum is σ = 247056254193. Its totient is φ = 213720446592.

The previous prime is 229808060641. The next prime is 229808060761. The reversal of 229808060689 is 986060808922.

The square root of 229808060689 is 479383.

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

It can be written as a sum of positive squares in 4 ways, for example, as 112638770689 + 117169290000 = 335617^2 + 342300^2 .

It is not a de Polignac number, because 229808060689 - 29 = 229808060177 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229808060089) 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, 1328370207 + ... + 1328370379.

Almost surely, 2229808060689 is an apocalyptic number.

229808060689 is the 479383-rd square number.

229808060689 is the 239692-nd centered octagonal number.

It is an amenable number.

229808060689 is a deficient number, since it is larger than the sum of its proper divisors (17248193504).

229808060689 is an frugal number, since it uses more digits than its factorization.

229808060689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 58.

The spelling of 229808060689 in words is "two hundred twenty-nine billion, eight hundred eight million, sixty thousand, six hundred eighty-nine".

Divisors: 1 17 163 173 289 2771 2941 26569 28199 29929 47107 49997 451673 479383 508793 4596437 4878427 7678441 8149511 8649481 78139429 82933259 795183601 1328370293 1409865403 13518121217 229808060689