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2130520324 = 223891369229
BaseRepresentation
bin111111011111101…
…0010100100000100
312111110221122110011
41332333102210010
513330403122244
6551224240004
7103540060342
oct17677224404
95443848404
102130520324
119a36944a9
124b5610004
1327c51591a
14162d52992
15c7095434
hex7efd2904

2130520324 has 12 divisors (see below), whose sum is σ = 3737997900. Its totient is φ = 1062520928.

The previous prime is 2130520309. The next prime is 2130520333. The reversal of 2130520324 is 4230250312.

It can be written as a sum of positive squares in 2 ways, for example, as 403286724 + 1727233600 = 20082^2 + 41560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2130520295 and 2130520304.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 683059 + ... + 686170.

It is an arithmetic number, because the mean of its divisors is an integer number (311499825).

Almost surely, 22130520324 is an apocalyptic number.

It is an amenable number.

2130520324 is a deficient number, since it is larger than the sum of its proper divisors (1607477576).

2130520324 is a wasteful number, since it uses less digits than its factorization.

2130520324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369622 (or 1369620 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2130520324 is about 46157.5597708544. The cubic root of 2130520324 is about 1286.7531117105.

Adding to 2130520324 its reverse (4230250312), we get a palindrome (6360770636).

The spelling of 2130520324 in words is "two billion, one hundred thirty million, five hundred twenty thousand, three hundred twenty-four".

Divisors: 1 2 4 389 778 1556 1369229 2738458 5476916 532630081 1065260162 2130520324