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809235194676 = 223431667940783
BaseRepresentation
bin10111100011010100010…
…11010010001100110100
32212100202222210020102220
423301222023102030310
5101224303202212201
61415431342402340
7112315413442566
oct13615213221464
92770688706386
10809235194676
11292216197197
12110a032903b0
135b4063874cc
142b24aac1336
15160b3e7b036
hexbc6a2d2334

809235194676 has 48 divisors (see below), whose sum is σ = 1933288541184. Its totient is φ = 263313592416.

The previous prime is 809235194609. The next prime is 809235194701. The reversal of 809235194676 is 676491532908.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 389781 + ... + 1330563.

It is an arithmetic number, because the mean of its divisors is an integer number (40276844608).

It is a 2-persistent number, because it is pandigital, and so is 2⋅809235194676 = 1618470389352, but 3⋅809235194676 = 2427705584028 is not.

Almost surely, 2809235194676 is an apocalyptic number.

809235194676 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

809235194676 is an abundant number, since it is smaller than the sum of its proper divisors (1124053346508).

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

809235194676 is a wasteful number, since it uses less digits than its factorization.

809235194676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942500 (or 942498 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 809235194676 in words is "eight hundred nine billion, two hundred thirty-five million, one hundred ninety-four thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 1667 3334 5001 6668 10002 20004 71681 143362 215043 286724 430086 860172 940783 1881566 2822349 3763132 5644698 11289396 40453669 80907338 121361007 161814676 242722014 485444028 1568285261 3136570522 4704855783 6273141044 9409711566 18819423132 67436266223 134872532446 202308798669 269745064892 404617597338 809235194676