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43940130131 = 412139150101
BaseRepresentation
bin101000111011000010…
…010010110101010011
311012102021002212221002
4220323002102311103
51204442133131011
632104045252215
73113606641442
oct507302226523
9135367085832
1043940130131
11176a9070137
12862356406b
1341b3471301
1421ab9b8d59
151222882c3b
hexa3b092d53

43940130131 has 8 divisors (see below), whose sum is σ = 45014843328. Its totient is φ = 42865560000.

The previous prime is 43940130121. The next prime is 43940130137. The reversal of 43940130131 is 13103104934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43940130131 - 218 = 43939867987 is a prime.

It is a super-2 number, since 2×439401301312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43940130094 and 43940130103.

It is not an unprimeable number, because it can be changed into a prime (43940130137) 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 7 ways as a sum of consecutive naturals, for example, 851981 + ... + 902081.

It is an arithmetic number, because the mean of its divisors is an integer number (5626855416).

Almost surely, 243940130131 is an apocalyptic number.

43940130131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

43940130131 is a deficient number, since it is larger than the sum of its proper divisors (1074713197).

43940130131 is a wasteful number, since it uses less digits than its factorization.

43940130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71533.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 43940130131 in words is "forty-three billion, nine hundred forty million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 41 21391 50101 877031 2054141 1071710491 43940130131