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2130251026 = 21065125513
BaseRepresentation
bin111111011111001…
…0000110100010010
312111110102222001011
41332332100310102
513330321013101
6551214401134
7103534556251
oct17676206422
95443388034
102130251026
119a3520142
124b55001aa
1327c450187
14162cc2798
15c7040751
hex7ef90d12

2130251026 has 4 divisors (see below), whose sum is σ = 3195376542. Its totient is φ = 1065125512.

The previous prime is 2130251009. The next prime is 2130251041. The reversal of 2130251026 is 6201520312.

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

It can be written as a sum of positive squares in only one way, i.e., 1993711801 + 136539225 = 44651^2 + 11685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2130250988 and 2130251006.

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 as a sum of consecutive naturals, namely, 532562755 + ... + 532562758.

Almost surely, 22130251026 is an apocalyptic number.

2130251026 is a deficient number, since it is larger than the sum of its proper divisors (1065125516).

2130251026 is a wasteful number, since it uses less digits than its factorization.

2130251026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065125515.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2130251026 is about 46154.6425183859. The cubic root of 2130251026 is about 1286.6988941818.

Adding to 2130251026 its reverse (6201520312), we get a palindrome (8331771338).

The spelling of 2130251026 in words is "two billion, one hundred thirty million, two hundred fifty-one thousand, twenty-six".

Divisors: 1 2 1065125513 2130251026