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2130492930 = 235371919363
BaseRepresentation
bin111111011111100…
…1011111000000010
312111110220020212120
41332333023320002
513330401233210
6551223505110
7103536614436
oct17677137002
95443806776
102130492930
119a3675965
124b55b8196
1327c506307
14162d469c6
15c708c270
hex7efcbe02

2130492930 has 32 divisors (see below), whose sum is σ = 5251379904. Its totient is φ = 552776256.

The previous prime is 2130492929. The next prime is 2130493003. The reversal of 2130492930 is 392940312.

It is a junction number, because it is equal to n+sod(n) for n = 2130492891 and 2130492900.

It is an unprimeable number.

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, 958572 + ... + 960791.

It is an arithmetic number, because the mean of its divisors is an integer number (164105622).

Almost surely, 22130492930 is an apocalyptic number.

2130492930 is an abundant number, since it is smaller than the sum of its proper divisors (3120886974).

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

2130492930 is a wasteful number, since it uses less digits than its factorization.

2130492930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919410.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 2130492930 is about 46157.2630254438. The cubic root of 2130492930 is about 1286.7475967094.

The spelling of 2130492930 in words is "two billion, one hundred thirty million, four hundred ninety-two thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 1919363 3838726 5758089 9596815 11516178 19193630 28790445 57580890 71016431 142032862 213049293 355082155 426098586 710164310 1065246465 2130492930