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2131914463 = 7304559209
BaseRepresentation
bin111111100010010…
…0110111011011111
312111120120110211221
41333010212323133
513331232230323
6551314154211
7103554655030
oct17704467337
95446513757
102131914463
119a4456988
124b5b82967
1327c8b3363
141631d6a87
15c726d55d
hex7f126edf

2131914463 has 4 divisors (see below), whose sum is σ = 2436473680. Its totient is φ = 1827355248.

The previous prime is 2131914431. The next prime is 2131914479. The reversal of 2131914463 is 3644191312.

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 2131914463 - 25 = 2131914431 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 (2131914493) 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, 152279598 + ... + 152279611.

It is an arithmetic number, because the mean of its divisors is an integer number (609118420).

Almost surely, 22131914463 is an apocalyptic number.

2131914463 is a deficient number, since it is larger than the sum of its proper divisors (304559217).

2131914463 is an equidigital number, since it uses as much as digits as its factorization.

2131914463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304559216.

The product of its digits is 15552, while the sum is 34.

The square root of 2131914463 is about 46172.6592584833. The cubic root of 2131914463 is about 1287.0337194611.

The spelling of 2131914463 in words is "two billion, one hundred thirty-one million, nine hundred fourteen thousand, four hundred sixty-three".

Divisors: 1 7 304559209 2131914463