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6291313093 = 133730614273
BaseRepresentation
bin1011101101111110…
…11101000111000101
3121020110012211010001
411312333131013011
5100341034004333
62520140401301
7311622164452
oct56677350705
917213184101
106291313093
11273931170a
121276b46231
13793544890
144397a0829
1526c4ccb7d
hex176fdd1c5

6291313093 has 16 divisors (see below), whose sum is σ = 6962277616. Its totient is φ = 5647242240.

The previous prime is 6291313087. The next prime is 6291313109. The reversal of 6291313093 is 3903131926.

It can be written as a sum of positive squares in 8 ways, for example, as 242051364 + 6049261729 = 15558^2 + 77777^2 .

It is a cyclic number.

It is not a de Polignac number, because 6291313093 - 29 = 6291312581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6291313013) 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, 1470205 + ... + 1474477.

It is an arithmetic number, because the mean of its divisors is an integer number (435142351).

Almost surely, 26291313093 is an apocalyptic number.

It is an amenable number.

6291313093 is a deficient number, since it is larger than the sum of its proper divisors (670964523).

6291313093 is a wasteful number, since it uses less digits than its factorization.

6291313093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 6291313093 is about 79317.7980846670. The cubic root of 6291313093 is about 1846.0654723242.

The spelling of 6291313093 in words is "six billion, two hundred ninety-one million, three hundred thirteen thousand, ninety-three".

Divisors: 1 13 37 481 3061 4273 39793 55549 113257 158101 1472341 2055313 13079653 170035489 483947161 6291313093