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5210640511 = 29179677259
BaseRepresentation
bin1001101101001010…
…00001000001111111
3111110010201222000121
410312211001001333
541132410444021
62221014035411
7243060466516
oct46645010177
914403658017
105210640511
1122342a837a
121015048b67
136506a014b
1437605367d
152076b3741
hex13694107f

5210640511 has 4 divisors (see below), whose sum is σ = 5390317800. Its totient is φ = 5030963224.

The previous prime is 5210640493. The next prime is 5210640517. The reversal of 5210640511 is 1150460125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5210640511 is a prime.

It is a super-2 number, since 2×52106405112 = 54301549069748682242, 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 (5210640517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89838601 + ... + 89838658.

It is an arithmetic number, because the mean of its divisors is an integer number (1347579450).

Almost surely, 25210640511 is an apocalyptic number.

5210640511 is a deficient number, since it is larger than the sum of its proper divisors (179677289).

5210640511 is a wasteful number, since it uses less digits than its factorization.

5210640511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179677288.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 5210640511 is about 72184.7664746517. The cubic root of 5210640511 is about 1733.6591013155.

The spelling of 5210640511 in words is "five billion, two hundred ten million, six hundred forty thousand, five hundred eleven".

Divisors: 1 29 179677259 5210640511