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5431121171 = 71973938449
BaseRepresentation
bin1010000111011100…
…00101010100010011
3112000111121112121222
411003232011110103
542110331334141
62254531435255
7251405524340
oct50356052423
915014545558
105431121171
1123377a97a3
121076a55b2b
13687278588
143974477c7
1521bc1614b
hex143b85513

5431121171 has 8 divisors (see below), whose sum is σ = 6238504800. Its totient is φ = 4631614848.

The previous prime is 5431121141. The next prime is 5431121207. The reversal of 5431121171 is 1711211345.

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

It is not a de Polignac number, because 5431121171 - 26 = 5431121107 is a prime.

It is a super-2 number, since 2×54311211712 = 58994154348168822482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5431121171.

It is not an unprimeable number, because it can be changed into a prime (5431121141) 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, 1967846 + ... + 1970603.

It is an arithmetic number, because the mean of its divisors is an integer number (779813100).

Almost surely, 25431121171 is an apocalyptic number.

5431121171 is a deficient number, since it is larger than the sum of its proper divisors (807383629).

5431121171 is a wasteful number, since it uses less digits than its factorization.

5431121171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938653.

The product of its digits is 840, while the sum is 26.

The square root of 5431121171 is about 73696.1408148351. The cubic root of 5431121171 is about 1757.7745169779.

The spelling of 5431121171 in words is "five billion, four hundred thirty-one million, one hundred twenty-one thousand, one hundred seventy-one".

Divisors: 1 7 197 1379 3938449 27569143 775874453 5431121171