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1982951914 = 2991475957
BaseRepresentation
bin111011000110001…
…0111000111101010
312010012021101122111
41312030113013222
513030113430124
6524433312534
7100065545626
oct16614270752
95105241574
101982951914
11928363139
1247410574a
13257a88738
1414b4dc186
15b9146494
hex763171ea

1982951914 has 4 divisors (see below), whose sum is σ = 2974427874. Its totient is φ = 991475956.

The previous prime is 1982951881. The next prime is 1982951939. The reversal of 1982951914 is 4191592891.

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

It can be written as a sum of positive squares in only one way, i.e., 1287733225 + 695218689 = 35885^2 + 26367^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495737977 + ... + 495737980.

Almost surely, 21982951914 is an apocalyptic number.

1982951914 is a deficient number, since it is larger than the sum of its proper divisors (991475960).

1982951914 is an equidigital number, since it uses as much as digits as its factorization.

1982951914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991475959.

The product of its digits is 233280, while the sum is 49.

The square root of 1982951914 is about 44530.3482357819. The cubic root of 1982951914 is about 1256.3309560495.

The spelling of 1982951914 in words is "one billion, nine hundred eighty-two million, nine hundred fifty-one thousand, nine hundred fourteen".

Divisors: 1 2 991475957 1982951914