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5291657679 = 371123995983
BaseRepresentation
bin1001110110110100…
…00100100111001111
3111122210012001200110
410323122010213033
541314131021204
62233030331103
7245063230260
oct47332044717
914583161613
105291657679
112276003810
1210381b9a93
136643c84b9
14382b02967
1520e868889
hex13b6849cf

5291657679 has 32 divisors (see below), whose sum is σ = 9178988544. Its totient is φ = 2629392480.

The previous prime is 5291657629. The next prime is 5291657699. The reversal of 5291657679 is 9767561925.

It is not a de Polignac number, because 5291657679 - 227 = 5157439951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5291657629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492679 + ... + 503304.

It is an arithmetic number, because the mean of its divisors is an integer number (286843392).

Almost surely, 25291657679 is an apocalyptic number.

5291657679 is a deficient number, since it is larger than the sum of its proper divisors (3887330865).

5291657679 is a wasteful number, since it uses less digits than its factorization.

5291657679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996027.

The product of its digits is 7144200, while the sum is 57.

The square root of 5291657679 is about 72743.7810331577. The cubic root of 5291657679 is about 1742.5981442524.

The spelling of 5291657679 in words is "five billion, two hundred ninety-one million, six hundred fifty-seven thousand, six hundred seventy-nine".

Divisors: 1 3 7 11 21 23 33 69 77 161 231 253 483 759 1771 5313 995983 2987949 6971881 10955813 20915643 22907609 32867439 68722827 76690691 160353263 230072073 251983699 481059789 755951097 1763885893 5291657679