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140044421041 = 726146853269
BaseRepresentation
bin1000001001101101001…
…1000100011110110001
3111101110221021200221221
42002123103010132301
54243302332433131
6144200245545041
713055300636500
oct2023323043661
9441427250857
10140044421041
1154435474348
1223184715181
131028ab45c35
146ac74b2837
153999a98411
hex209b4c47b1

140044421041 has 12 divisors (see below), whose sum is σ = 165579456180. Its totient is φ = 118070235360.

The previous prime is 140044421003. The next prime is 140044421053. The reversal of 140044421041 is 140124440041.

It can be written as a sum of positive squares in 2 ways, for example, as 41413878016 + 98630543025 = 203504^2 + 314055^2 .

It is not a de Polignac number, because 140044421041 - 217 = 140044289969 is a prime.

It is a super-2 number, since 2×1400444210412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140044420997 and 140044421015.

It is not an unprimeable number, because it can be changed into a prime (140044421081) 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 11 ways as a sum of consecutive naturals, for example, 23423646 + ... + 23429623.

It is an arithmetic number, because the mean of its divisors is an integer number (13798288015).

Almost surely, 2140044421041 is an apocalyptic number.

It is an amenable number.

140044421041 is a deficient number, since it is larger than the sum of its proper divisors (25535035139).

140044421041 is an equidigital number, since it uses as much as digits as its factorization.

140044421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46853344 (or 46853337 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 140044421041 its reverse (140124440041), we get a palindrome (280168861082).

The spelling of 140044421041 in words is "one hundred forty billion, forty-four million, four hundred twenty-one thousand, forty-one".

Divisors: 1 7 49 61 427 2989 46853269 327972883 2295810181 2858049409 20006345863 140044421041