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142605042501 = 3279611700047
BaseRepresentation
bin1000010011001111101…
…1000100001101000101
3111122002101112202020210
42010303323010031011
54314023342330001
6145302320550033
713205612601255
oct2046373041505
9448071482223
10142605042501
1155529913129
122377a182319
13105a84ac16c
146c8b5c3965
153a9979add6
hex2133ec4345

142605042501 has 8 divisors (see below), whose sum is σ = 190146968704. Its totient is φ = 95066572320.

The previous prime is 142605042467. The next prime is 142605042523. The reversal of 142605042501 is 105240506241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142605042501 - 219 = 142604518213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142605042571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766141 + ... + 933906.

It is an arithmetic number, because the mean of its divisors is an integer number (23768371088).

Almost surely, 2142605042501 is an apocalyptic number.

It is an amenable number.

142605042501 is a deficient number, since it is larger than the sum of its proper divisors (47541926203).

142605042501 is a wasteful number, since it uses less digits than its factorization.

142605042501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728011.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 142605042501 its reverse (105240506241), we get a palindrome (247845548742).

The spelling of 142605042501 in words is "one hundred forty-two billion, six hundred five million, forty-two thousand, five hundred one".

Divisors: 1 3 27961 83883 1700047 5100141 47535014167 142605042501