Search a number
-
+
289936230495 = 35192353899377
BaseRepresentation
bin1000011100000011000…
…10111100100001011111
31000201101011011120022020
410032001202330201133
514222242133333440
6341110031351223
726642614203432
oct4160142744137
91021334146266
10289936230495
11101a6349731a
1248237082513
1321457b74802
141006673d819
15781de063d0
hex43818bc85f

289936230495 has 128 divisors (see below), whose sum is σ = 525047961600. Its totient is φ = 135921696768.

The previous prime is 289936230473. The next prime is 289936230547. The reversal of 289936230495 is 594032639982.

It is not a de Polignac number, because 289936230495 - 211 = 289936228447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30915247 + ... + 30924623.

It is an arithmetic number, because the mean of its divisors is an integer number (4101937200).

Almost surely, 2289936230495 is an apocalyptic number.

289936230495 is a deficient number, since it is larger than the sum of its proper divisors (235111731105).

289936230495 is a wasteful number, since it uses less digits than its factorization.

289936230495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569.

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 289936230495 in words is "two hundred eighty-nine billion, nine hundred thirty-six million, two hundred thirty thousand, four hundred ninety-five".

Divisors: 1 3 5 15 19 23 53 57 69 89 95 115 159 265 267 285 345 437 445 795 1007 1219 1311 1335 1691 2047 2185 3021 3657 4717 5035 5073 6095 6141 6555 8455 9377 10235 14151 15105 18285 23161 23585 25365 28131 30705 38893 46885 69483 70755 89623 108491 115805 116679 140655 178163 194465 215671 268869 325473 347415 448115 496981 534489 542455 583395 647013 834553 890815 1078355 1344345 1490943 1627365 2061329 2484905 2503659 2672445 3235065 4097749 4172765 6183987 7454715 9442639 10306645 11430563 12293247 12518295 15856507 19194719 20488745 28327917 30919935 34291689 44231309 47213195 47569521 57152815 57584157 61466235 79282535 95973595 132693927 141639585 171458445 217180697 221156545 237847605 287920785 364699661 651542091 663469635 840394871 1017320107 1085903485 1094098983 1823498305 2521184613 3051960321 3257710455 4201974355 5086600535 5470494915 12605923065 15259801605 19329082033 57987246099 96645410165 289936230495