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107381143 = 110996827
BaseRepresentation
bin1100110011010…
…00000110010111
321111001112020101
412121220012113
5204442144033
614353314531
72442503362
oct631500627
9244045211
10107381143
1155683051
122bb65a47
131932934c
14103930d9
15966197d
hex6668197

107381143 has 4 divisors (see below), whose sum is σ = 107479080. Its totient is φ = 107283208.

The previous prime is 107381123. The next prime is 107381149. The reversal of 107381143 is 341183701.

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 107381143 - 29 = 107380631 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 (107381149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47305 + ... + 49522.

It is an arithmetic number, because the mean of its divisors is an integer number (26869770).

Almost surely, 2107381143 is an apocalyptic number.

107381143 is a deficient number, since it is larger than the sum of its proper divisors (97937).

107381143 is an equidigital number, since it uses as much as digits as its factorization.

107381143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97936.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 107381143 is about 10362.4872979416. The cubic root of 107381143 is about 475.3089668540.

It can be divided in two parts, 10738 and 1143, that added together give a square (11881 = 1092).

The spelling of 107381143 in words is "one hundred seven million, three hundred eighty-one thousand, one hundred forty-three".

Divisors: 1 1109 96827 107381143