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140251135441 = 4128112173521
BaseRepresentation
bin1000001010011110011…
…1100111110111010001
3111102000100020212210211
42002213213213313101
54244213242313231
6144232552324121
713063360660414
oct2024747476721
9442010225724
10140251135441
115453112299a
12232219a3641
13102c1911451
146b06b21b7b
1539acccbeb1
hex20a79e7dd1

140251135441 has 8 divisors (see below), whose sum is σ = 144183194568. Its totient is φ = 136343424000.

The previous prime is 140251135351. The next prime is 140251135499. The reversal of 140251135441 is 144531152041.

It can be written as a sum of positive squares in 4 ways, for example, as 43081153600 + 97169981841 = 207560^2 + 311721^2 .

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 140251135441 - 213 = 140251127249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140251135841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6075240 + ... + 6098281.

It is an arithmetic number, because the mean of its divisors is an integer number (18022899321).

Almost surely, 2140251135441 is an apocalyptic number.

It is an amenable number.

140251135441 is a deficient number, since it is larger than the sum of its proper divisors (3932059127).

140251135441 is a wasteful number, since it uses less digits than its factorization.

140251135441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12173843.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 140251135441 its reverse (144531152041), we get a palindrome (284782287482).

The spelling of 140251135441 in words is "one hundred forty billion, two hundred fifty-one million, one hundred thirty-five thousand, four hundred forty-one".

Divisors: 1 41 281 11521 12173521 499114361 3420759401 140251135441