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5165836831 = 191009269461
BaseRepresentation
bin1001100111110100…
…00110101000011111
3111100000102200221001
410303322012220133
541034423234311
62212333451131
7242004613531
oct46372065037
914300380831
105165836831
112210a86741
121002040aa7
13644313cac
1437010d851
152037b34c1
hex133e86a1f

5165836831 has 8 divisors (see below), whose sum is σ = 5443132400. Its totient is φ = 4889082240.

The previous prime is 5165836813. The next prime is 5165836853. The reversal of 5165836831 is 1386385615.

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 5165836831 - 217 = 5165705759 is a prime.

It is a super-2 number, since 2×51658368312 = 53371740329032245122, 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 (5165836811) 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, 115560 + ... + 153901.

It is an arithmetic number, because the mean of its divisors is an integer number (680391550).

Almost surely, 25165836831 is an apocalyptic number.

5165836831 is a deficient number, since it is larger than the sum of its proper divisors (277295569).

5165836831 is a wasteful number, since it uses less digits than its factorization.

5165836831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270489.

The product of its digits is 518400, while the sum is 46.

The square root of 5165836831 is about 71873.7562048903. The cubic root of 5165836831 is about 1728.6758364941.

The spelling of 5165836831 in words is "five billion, one hundred sixty-five million, eight hundred thirty-six thousand, eight hundred thirty-one".

Divisors: 1 19 1009 19171 269461 5119759 271886149 5165836831