Search a number
-
+
811007999995 = 5375974302153
BaseRepresentation
bin10111100110100111101…
…01111111111111111011
32212112100112122002011011
423303103311333333323
5101241421021444440
61420323312014351
7112410351154324
oct13632365777773
92775315562134
10811007999995
11292a45967056
12111218b313b7
135b62974543b
142b37831944b
15161699119ea
hexbcd3d7fffb

811007999995 has 16 divisors (see below), whose sum is σ = 1016453466720. Its totient is φ = 620571573504.

The previous prime is 811007999983. The next prime is 811008000017. The reversal of 811007999995 is 599999700118.

It is a cyclic number.

It is not a de Polignac number, because 811007999995 - 215 = 811007967227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 811007999995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37140162 + ... + 37161991.

It is an arithmetic number, because the mean of its divisors is an integer number (63528341670).

Almost surely, 2811007999995 is an apocalyptic number.

811007999995 is a deficient number, since it is larger than the sum of its proper divisors (205445466725).

811007999995 is a wasteful number, since it uses less digits than its factorization.

811007999995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74302254.

The product of its (nonzero) digits is 16533720, while the sum is 67.

The spelling of 811007999995 in words is "eight hundred eleven billion, seven million, nine hundred ninety-nine thousand, nine hundred ninety-five".

Divisors: 1 5 37 59 185 295 2183 10915 74302153 371510765 2749179661 4383827027 13745898305 21919135135 162201599999 811007999995