Search a number
-
+
828097790828 = 2271110128039497
BaseRepresentation
bin11000000110011100111…
…10011000001101101100
32221011110120002101221012
430003032132120031230
5102031421013301303
61432231201324352
7113554015040360
oct14031636301554
92834416071835
10828097790828
1129a215683930
121145a83366b8
13601212164c9
142c119ccd2a0
1516819e235d8
hexc0ce79836c

828097790828 has 96 divisors (see below), whose sum is σ = 1825490677248. Its totient is φ = 319293504000.

The previous prime is 828097790809. The next prime is 828097790893.

828097790828 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87190976 + ... + 87200472.

It is an arithmetic number, because the mean of its divisors is an integer number (19015527888).

Almost surely, 2828097790828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 828097790828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912745338624).

828097790828 is an abundant number, since it is smaller than the sum of its proper divisors (997392886420).

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

828097790828 is a wasteful number, since it uses less digits than its factorization.

828097790828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12423 (or 12421 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 68.

The spelling of 828097790828 in words is "eight hundred twenty-eight billion, ninety-seven million, seven hundred ninety thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 101 154 202 308 404 707 1111 1414 2222 2803 2828 4444 5606 7777 9497 11212 15554 18994 19621 30833 31108 37988 39242 61666 66479 78484 104467 123332 132958 208934 215831 265916 283103 417868 431662 566206 731269 863324 959197 1132412 1462538 1918394 1981721 2925076 3114133 3836788 3963442 6228266 6714379 7926884 10551167 12456532 13428758 21102334 21798931 26620091 26857516 42204668 43597862 53240182 73858169 87195724 106480364 147716338 186340637 292821001 295432676 372681274 585642002 745362548 1171284004 2049747007 2688629191 4099494014 5377258382 8198988028 10754516764 18820404337 29574921101 37640808674 59149842202 75281617348 118299684404 207024447707 414048895414 828097790828