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BaseRepresentation
bin100000010111000010110001…
…010101011100110100011101
3200122220202101222212202012002
4200113002301111130310131
5122123241412421314212
61222405211534452045
741656232224434665
oct4027026125346435
9618822358782162
10142321011510557
1141391002773190
1213b66922964025
136154a76bb8749
14272053366b1a5
15116c1695eaac2
hex8170b155cd1d

142321011510557 has 8 divisors (see below), whose sum is σ = 155260590328800. Its totient is φ = 129381650199760.

The previous prime is 142321011510499. The next prime is 142321011510589. The reversal of 142321011510557 is 755015110123241.

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 142321011510557 - 210 = 142321011509533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142321011510557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321011510757) 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, 53007218 + ... + 55627395.

It is an arithmetic number, because the mean of its divisors is an integer number (19407573791100).

Almost surely, 2142321011510557 is an apocalyptic number.

It is an amenable number.

142321011510557 is a deficient number, since it is larger than the sum of its proper divisors (12939578818243).

142321011510557 is a wasteful number, since it uses less digits than its factorization.

142321011510557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108753723.

The product of its (nonzero) digits is 42000, while the sum is 38.

Adding to 142321011510557 its reverse (755015110123241), we get a palindrome (897336121633798).

The spelling of 142321011510557 in words is "one hundred forty-two trillion, three hundred twenty-one billion, eleven million, five hundred ten thousand, five hundred fifty-seven".