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116381963 = 149781087
BaseRepresentation
bin1101110111111…
…01100100001011
322002222211001002
412323331210023
5214243210323
615314245215
72612142005
oct673754413
9262884032
10116381963
115a770545
1232b8680b
131b15b189
1411657375
15a33d828
hex6efd90b

116381963 has 4 divisors (see below), whose sum is σ = 117163200. Its totient is φ = 115600728.

The previous prime is 116381953. The next prime is 116381981. The reversal of 116381963 is 369183611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369183611 = 1721716683.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-116381963 is a prime.

It is a super-2 number, since 2×1163819632 = 27089522623466738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116381933) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 390395 + ... + 390692.

It is an arithmetic number, because the mean of its divisors is an integer number (29290800).

Almost surely, 2116381963 is an apocalyptic number.

116381963 is a deficient number, since it is larger than the sum of its proper divisors (781237).

116381963 is an equidigital number, since it uses as much as digits as its factorization.

116381963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781236.

The product of its digits is 23328, while the sum is 38.

The square root of 116381963 is about 10788.0472282985. The cubic root of 116381963 is about 488.2346065241.

The spelling of 116381963 in words is "one hundred sixteen million, three hundred eighty-one thousand, nine hundred sixty-three".

Divisors: 1 149 781087 116381963