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2130142199 = 2299301931
BaseRepresentation
bin111111011110111…
…0110001111110111
312111110020102202112
41332331312033313
513330304022244
6551212201235
7103533624053
oct17675661767
95443212675
102130142199
119a34563a9
124b546921b
1327c412793
14162c94c63
15c701d39e
hex7ef763f7

2130142199 has 4 divisors (see below), whose sum is σ = 2139444360. Its totient is φ = 2120840040.

The previous prime is 2130142181. The next prime is 2130142237. The reversal of 2130142199 is 9912410312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2130142199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130147199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4650737 + ... + 4651194.

It is an arithmetic number, because the mean of its divisors is an integer number (534861090).

Almost surely, 22130142199 is an apocalyptic number.

2130142199 is a deficient number, since it is larger than the sum of its proper divisors (9302161).

2130142199 is an equidigital number, since it uses as much as digits as its factorization.

2130142199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9302160.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2130142199 is about 46153.4635645040. The cubic root of 2130142199 is about 1286.6769828415.

The spelling of 2130142199 in words is "two billion, one hundred thirty million, one hundred forty-two thousand, one hundred ninety-nine".

Divisors: 1 229 9301931 2130142199