Search a number
-
+
498897798894 = 232118963144867
BaseRepresentation
bin1110100001010001010…
…00000100011011101110
31202200202001020002120100
413100220220010123232
531133220314031034
61021105051131530
751021103215135
oct7205050043356
91680661202510
10498897798894
1118264388a4a0
1280833a43ba6
13380799a9281
141a20aab091c
15ce9deb5099
hex7428a046ee

498897798894 has 96 divisors (see below), whose sum is σ = 1194378981120. Its totient is φ = 149242262400.

The previous prime is 498897798851. The next prime is 498897798911.

498897798894 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11097049 + ... + 11141915.

It is an arithmetic number, because the mean of its divisors is an integer number (12441447720).

Almost surely, 2498897798894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498897798894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597189490560).

498897798894 is an abundant number, since it is smaller than the sum of its proper divisors (695481182226).

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

498897798894 is a wasteful number, since it uses less digits than its factorization.

498897798894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45606 (or 45603 counting only the distinct ones).

The product of its digits is 21069103104, while the sum is 90.

The spelling of 498897798894 in words is "four hundred ninety-eight billion, eight hundred ninety-seven million, seven hundred ninety-eight thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 89 99 178 198 267 534 631 801 979 1262 1602 1893 1958 2937 3786 5679 5874 6941 8811 11358 13882 17622 20823 41646 44867 56159 62469 89734 112318 124938 134601 168477 269202 336954 403803 493537 505431 617749 807606 987074 1010862 1235498 1480611 1853247 2961222 3706494 3993163 4441833 5559741 7986326 8883666 11119482 11979489 23958978 28311077 35938467 43924793 56622154 71876934 84933231 87849586 131774379 169866462 254799693 263548758 311421847 395323137 509599386 622843694 790646274 934265541 1868531082 2519685853 2802796623 5039371706 5605593246 7559057559 15118115118 22677172677 27716544383 45354345354 55433088766 83149633149 166299266298 249448899447 498897798894