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142014321121 = 397809344201
BaseRepresentation
bin1000010001000010110…
…1101001000111100001
3111120120012222222212011
42010100231221013201
54311321131233441
6145123535432521
713155150545431
oct2042055510741
9446505888764
10142014321121
1155256422442
1223634385741
1310512cb199a
146c32d742c1
153a629b2581
hex2110b691e1

142014321121 has 8 divisors (see below), whose sum is σ = 142392853224. Its totient is φ = 141635894400.

The previous prime is 142014321109. The next prime is 142014321139. The reversal of 142014321121 is 121123410241.

It can be written as a sum of positive squares in 4 ways, for example, as 9547439521 + 132466881600 = 97711^2 + 363960^2 .

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 142014321121 - 213 = 142014312929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142014321092 and 142014321101.

It is not an unprimeable number, because it can be changed into a prime (142014321181) 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, 3190821 + ... + 3235021.

It is an arithmetic number, because the mean of its divisors is an integer number (17799106653).

Almost surely, 2142014321121 is an apocalyptic number.

It is an amenable number.

142014321121 is a deficient number, since it is larger than the sum of its proper divisors (378532103).

142014321121 is an equidigital number, since it uses as much as digits as its factorization.

142014321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52691.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 142014321121 its reverse (121123410241), we get a palindrome (263137731362).

The spelling of 142014321121 in words is "one hundred forty-two billion, fourteen million, three hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 397 8093 44201 3212921 17547797 357718693 142014321121