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142210605346361 = 197721881245413
BaseRepresentation
bin100000010101011011111100…
…100111010110111000111001
3200122112012102121012111021122
4200111123330213112320321
5122114434304432040421
61222242352235315025
741645243241510236
oct4025337447267071
9618465377174248
10142210605346361
11413491a7327992
1213b4944bbaba75
1361475304cc5c6
14271905c55a78d
151169356a232ab
hex8156fc9d6e39

142210605346361 has 4 divisors (see below), whose sum is σ = 142932486591972. Its totient is φ = 141488724100752.

The previous prime is 142210605346343. The next prime is 142210605346363. The reversal of 142210605346361 is 163643506012241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136713831315961 + 5496774030400 = 11692469^2 + 2344520^2 .

It is a cyclic number.

It is not a de Polignac number, because 142210605346361 - 210 = 142210605345337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142210605346363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360940622510 + ... + 360940622903.

It is an arithmetic number, because the mean of its divisors is an integer number (35733121647993).

Almost surely, 2142210605346361 is an apocalyptic number.

It is an amenable number.

142210605346361 is a deficient number, since it is larger than the sum of its proper divisors (721881245611).

142210605346361 is an equidigital number, since it uses as much as digits as its factorization.

142210605346361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721881245610.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 142210605346361 in words is "one hundred forty-two trillion, two hundred ten billion, six hundred five million, three hundred forty-six thousand, three hundred sixty-one".

Divisors: 1 197 721881245413 142210605346361