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2130215230 = 2511131489661
BaseRepresentation
bin111111011111000…
…1000000100111110
312111110101010221101
41332332020010332
513330313341410
6551213523314
7103534350013
oct17676100476
95443333841
102130215230
119a34a6260
124b54a353a
1327c439ab0
14162cb370a
15c7034d3a
hex7ef8813e

2130215230 has 32 divisors (see below), whose sum is σ = 4504737888. Its totient is φ = 715036800.

The previous prime is 2130215183. The next prime is 2130215249. The reversal of 2130215230 is 325120312.

It is a super-2 number, since 2×21302152302 = 9075633852247905800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2130215198 and 2130215207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743401 + ... + 746260.

It is an arithmetic number, because the mean of its divisors is an integer number (140773059).

Almost surely, 22130215230 is an apocalyptic number.

2130215230 is an abundant number, since it is smaller than the sum of its proper divisors (2374522658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2130215230 is a wasteful number, since it uses less digits than its factorization.

2130215230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489692.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2130215230 is about 46154.2547334479. The cubic root of 2130215230 is about 1286.6916870606.

Adding to 2130215230 its reverse (325120312), we get a palindrome (2455335542).

The spelling of 2130215230 in words is "two billion, one hundred thirty million, two hundred fifteen thousand, two hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 1489661 2979322 7448305 14896610 16386271 19365593 32772542 38731186 81931355 96827965 163862710 193655930 213021523 426043046 1065107615 2130215230