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140343304081 is a prime number
BaseRepresentation
bin1000001010110100011…
…1001101111110010001
3111102020202200112102011
42002231013031332101
54244410341212311
6144250044022521
713065560254561
oct2025507157621
9442222615364
10140343304081
1154579155622
1223248831a41
1310307a424c6
146b15074da1
1539b5e36321
hex20ad1cdf91

140343304081 has 2 divisors, whose sum is σ = 140343304082. Its totient is φ = 140343304080.

The previous prime is 140343304037. The next prime is 140343304121. The reversal of 140343304081 is 180403343041.

140343304081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81690214225 + 58653089856 = 285815^2 + 242184^2 .

It is an emirp because it is prime and its reverse (180403343041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140343304081 - 223 = 140334915473 is a prime.

It is a super-2 number, since 2×1403433040812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140343304021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70171652040 + 70171652041.

It is an arithmetic number, because the mean of its divisors is an integer number (70171652041).

Almost surely, 2140343304081 is an apocalyptic number.

It is an amenable number.

140343304081 is a deficient number, since it is larger than the sum of its proper divisors (1).

140343304081 is an equidigital number, since it uses as much as digits as its factorization.

140343304081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 140343304081 in words is "one hundred forty billion, three hundred forty-three million, three hundred four thousand, eighty-one".