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2134830871 = 10312070641
BaseRepresentation
bin111111100111110…
…1110111100010111
312111210001122102001
41333033232330113
513333004041441
6551500500131
7103621522465
oct17717567427
95453048361
102134830871
119a6069038
124b6b4a647
13280394944
14163755835
15c7647731
hex7f3eef17

2134830871 has 4 divisors (see below), whose sum is σ = 2136902544. Its totient is φ = 2132759200.

The previous prime is 2134830869. The next prime is 2134830877. The reversal of 2134830871 is 1780384312.

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

It is a cyclic number.

It is not a de Polignac number, because 2134830871 - 21 = 2134830869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2134830871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134830877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034290 + ... + 1036351.

It is an arithmetic number, because the mean of its divisors is an integer number (534225636).

Almost surely, 22134830871 is an apocalyptic number.

2134830871 is a deficient number, since it is larger than the sum of its proper divisors (2071673).

2134830871 is a wasteful number, since it uses less digits than its factorization.

2134830871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071672.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2134830871 is about 46204.2300119805. The cubic root of 2134830871 is about 1287.6203291691.

The spelling of 2134830871 in words is "two billion, one hundred thirty-four million, eight hundred thirty thousand, eight hundred seventy-one".

Divisors: 1 1031 2070641 2134830871