Search a number
-
+
811358672806 = 211139265323307
BaseRepresentation
bin10111100111010001011…
…11101101011110100110
32212120020222111002211001
423303220233231132212
5101243130310012211
61420422200103514
7112422136633123
oct13635057553646
92776228432731
10811358672806
112931059007a0
121112b6464b9a
135b6842a5946
142b3acb1d74a
151618a5ceac1
hexbce8bed7a6

811358672806 has 16 divisors (see below), whose sum is σ = 1337229472320. Its totient is φ = 366146162280.

The previous prime is 811358672797. The next prime is 811358672807. The reversal of 811358672806 is 608276853118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811358672807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132658596 + ... + 132664711.

It is an arithmetic number, because the mean of its divisors is an integer number (83576842020).

Almost surely, 2811358672806 is an apocalyptic number.

811358672806 is a deficient number, since it is larger than the sum of its proper divisors (525870799514).

811358672806 is a wasteful number, since it uses less digits than its factorization.

811358672806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265323459.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 811358672806 in words is "eight hundred eleven billion, three hundred fifty-eight million, six hundred seventy-two thousand, eight hundred six".

Divisors: 1 2 11 22 139 278 1529 3058 265323307 530646614 2918556377 5837112754 36879939673 73759879346 405679336403 811358672806