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8940308311 = 1123144724421
BaseRepresentation
bin10000101001110001…
…00100011101010111
3212002001202201102001
420110320210131113
5121302204331221
64035045500131
7434356236544
oct102470443527
925061681361
108940308311
113878630a60
121896111647
13ac62b077c
1460b517bcb
15374d3a391
hex214e24757

8940308311 has 16 divisors (see below), whose sum is σ = 10184560128. Its totient is φ = 7768490400.

The previous prime is 8940308309. The next prime is 8940308329. The reversal of 8940308311 is 1138030498.

It is not a de Polignac number, because 8940308311 - 21 = 8940308309 is a prime.

It is a super-2 number, since 2×89403083112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8940308911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353881 + ... + 378301.

It is an arithmetic number, because the mean of its divisors is an integer number (636535008).

Almost surely, 28940308311 is an apocalyptic number.

8940308311 is a deficient number, since it is larger than the sum of its proper divisors (1244251817).

8940308311 is a wasteful number, since it uses less digits than its factorization.

8940308311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25902.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 8940308311 is about 94553.2035998781. The cubic root of 8940308311 is about 2075.4749625276.

The spelling of 8940308311 in words is "eight billion, nine hundred forty million, three hundred eight thousand, three hundred eleven".

Divisors: 1 11 23 253 1447 15917 24421 33281 268631 366091 561683 6178513 35337187 388709057 812755301 8940308311