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8916313945 = 571124614567
BaseRepresentation
bin10000100110111010…
…00010011101011001
3212000101121200022211
420103131002131121
5121230034021240
64032431315121
7433645263250
oct102335023531
925011550284
108916313945
113866032700
12188a07baa1
13ac132c216
1460826d797
15372b9abea
hex213742759

8916313945 has 48 divisors (see below), whose sum is σ = 13472895744. Its totient is φ = 5544950400.

The previous prime is 8916313933. The next prime is 8916313949. The reversal of 8916313945 is 5493136198.

8916313945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8916313945 - 211 = 8916311897 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8916313949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1950052 + ... + 1954618.

It is an arithmetic number, because the mean of its divisors is an integer number (280685328).

Almost surely, 28916313945 is an apocalyptic number.

It is an amenable number.

8916313945 is a deficient number, since it is larger than the sum of its proper divisors (4556581799).

8916313945 is a wasteful number, since it uses less digits than its factorization.

8916313945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062 (or 5051 counting only the distinct ones).

The product of its digits is 699840, while the sum is 49.

The square root of 8916313945 is about 94426.2354698100. The cubic root of 8916313945 is about 2073.6165507076.

The spelling of 8916313945 in words is "eight billion, nine hundred sixteen million, three hundred thirteen thousand, nine hundred forty-five".

Divisors: 1 5 7 11 35 55 77 121 385 461 605 847 2305 3227 4235 4567 5071 16135 22835 25355 31969 35497 50237 55781 159845 177485 251185 278905 351659 390467 552607 1758295 1952335 2105387 2763035 3868249 10526935 14737709 19341245 23159257 73688545 115796285 162114799 254751827 810573995 1273759135 1783262789 8916313945