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142314023221 = 23431632273889
BaseRepresentation
bin1000010010001010010…
…0111010100100110101
3111121100002221102211221
42010202210322210311
54312424342220341
6145213403230341
713165450144456
oct2044244724465
9447302842757
10142314023221
115539a613027
12236b88183b1
1310560106cc6
146c60aab12d
153a7de62ed1
hex212293a935

142314023221 has 32 divisors (see below), whose sum is σ = 153600353280. Its totient is φ = 131529049344.

The previous prime is 142314023213. The next prime is 142314023239. The reversal of 142314023221 is 122320413241.

It is a cyclic number.

It is not a de Polignac number, because 142314023221 - 23 = 142314023213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142314023281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36592045 + ... + 36595933.

It is an arithmetic number, because the mean of its divisors is an integer number (4800011040).

Almost surely, 2142314023221 is an apocalyptic number.

It is an amenable number.

142314023221 is a deficient number, since it is larger than the sum of its proper divisors (11286330059).

142314023221 is a wasteful number, since it uses less digits than its factorization.

142314023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 142314023221 its reverse (122320413241), we get a palindrome (264634436462).

The spelling of 142314023221 in words is "one hundred forty-two billion, three hundred fourteen million, twenty-three thousand, two hundred twenty-one".

Divisors: 1 23 43 163 227 989 3749 3889 5221 7009 9761 37001 89447 161207 167227 224503 633907 851023 882803 1591043 3846221 14579861 20304469 27258001 36593989 37960529 143896889 626934023 873092167 3309628447 6187566227 142314023221