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5313171181 = 41857151213
BaseRepresentation
bin1001111001011000…
…01000111011101101
3111201021200001122211
410330230020323231
541340132434211
62235115410421
7245444131663
oct47454107355
914637601584
105313171181
11228716816a
121043453a11
136689bb796
14385902c33
152116b7e21
hex13cb08eed

5313171181 has 8 divisors (see below), whose sum is σ = 5449147704. Its totient is φ = 5177498880.

The previous prime is 5313171179. The next prime is 5313171223. The reversal of 5313171181 is 1811713135.

It can be written as a sum of positive squares in 4 ways, for example, as 2003010025 + 3310161156 = 44755^2 + 57534^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5313171181 - 21 = 5313171179 is a prime.

It is a super-2 number, since 2×53131711812 = 56459575997217869522, which 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 (5313171131) 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, 40470 + ... + 110743.

It is an arithmetic number, because the mean of its divisors is an integer number (681143463).

Almost surely, 25313171181 is an apocalyptic number.

It is an amenable number.

5313171181 is a deficient number, since it is larger than the sum of its proper divisors (135976523).

5313171181 is a wasteful number, since it uses less digits than its factorization.

5313171181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152111.

The product of its digits is 2520, while the sum is 31.

The square root of 5313171181 is about 72891.5028038248. The cubic root of 5313171181 is about 1744.9564914454.

The spelling of 5313171181 in words is "five billion, three hundred thirteen million, one hundred seventy-one thousand, one hundred eighty-one".

Divisors: 1 41 857 35137 151213 6199733 129589541 5313171181