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5379061821 = 371132266777
BaseRepresentation
bin1010000001001110…
…11111100000111101
3111212212122122121220
411000213133200331
542004014434241
62245431543553
7250204161660
oct50047374075
914785578556
105379061821
112310381841
12106152abb9
1367954ba23
143905756d7
15217381166
hex1409df83d

5379061821 has 16 divisors (see below), whose sum is σ = 8269206144. Its totient is φ = 3046546944.

The previous prime is 5379061811. The next prime is 5379061847. The reversal of 5379061821 is 1281609735.

It is not a de Polignac number, because 5379061821 - 214 = 5379045437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5379061811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131016 + ... + 1135761.

It is an arithmetic number, because the mean of its divisors is an integer number (516825384).

Almost surely, 25379061821 is an apocalyptic number.

It is an amenable number.

5379061821 is a deficient number, since it is larger than the sum of its proper divisors (2890144323).

5379061821 is a wasteful number, since it uses less digits than its factorization.

5379061821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266900.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 5379061821 is about 73342.0876509525. The cubic root of 5379061821 is about 1752.1401648537.

The spelling of 5379061821 in words is "five billion, three hundred seventy-nine million, sixty-one thousand, eight hundred twenty-one".