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5271021007 = 73974913863
BaseRepresentation
bin1001110100010110…
…10110010111001111
3111121100100121111021
410322023112113033
541243340133012
62231012135011
7244422640120
oct47213262717
914540317437
105271021007
11226539910a
121031307467
13660051355
14380090047
1520cb3e007
hex13a2d65cf

5271021007 has 16 divisors (see below), whose sum is σ = 6053064192. Its totient is φ = 4496294880.

The previous prime is 5271020977. The next prime is 5271021143. The reversal of 5271021007 is 7001201725.

It is a happy number.

It is not a de Polignac number, because 5271021007 - 211 = 5271018959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271051007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1362558 + ... + 1366420.

It is an arithmetic number, because the mean of its divisors is an integer number (378316512).

Almost surely, 25271021007 is an apocalyptic number.

5271021007 is a deficient number, since it is larger than the sum of its proper divisors (782043185).

5271021007 is a wasteful number, since it uses less digits than its factorization.

5271021007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 5271021007 is about 72601.7975466173. The cubic root of 5271021007 is about 1740.3299025457.

The spelling of 5271021007 in words is "five billion, two hundred seventy-one million, twenty-one thousand, seven".

Divisors: 1 7 397 491 2779 3437 3863 27041 194927 1364489 1533611 1896733 10735277 13277131 753003001 5271021007