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142323112001 = 720331873143
BaseRepresentation
bin1000010010001100011…
…1100101100001000001
3111121100202001012022102
42010203013211201001
54312434204041001
6145214330120145
713165620330410
oct2044307454101
9447322035272
10142323112001
11553a4760614
12236bb880055
1310561c69b95
146c61d95477
153a7eb5ae6b
hex21231e5841

142323112001 has 4 divisors (see below), whose sum is σ = 162654985152. Its totient is φ = 121991238852.

The previous prime is 142323111977. The next prime is 142323112013. The reversal of 142323112001 is 100211323241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142323112001 - 234 = 125143242817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142323132001) 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, 10165936565 + ... + 10165936578.

It is an arithmetic number, because the mean of its divisors is an integer number (40663746288).

Almost surely, 2142323112001 is an apocalyptic number.

It is an amenable number.

142323112001 is a deficient number, since it is larger than the sum of its proper divisors (20331873151).

142323112001 is an equidigital number, since it uses as much as digits as its factorization.

142323112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20331873150.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 142323112001 its reverse (100211323241), we get a palindrome (242534435242).

The spelling of 142323112001 in words is "one hundred forty-two billion, three hundred twenty-three million, one hundred twelve thousand, one".

Divisors: 1 7 20331873143 142323112001