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1053142331521 = 7178849935559
BaseRepresentation
bin11110101001101000010…
…11001011000010000001
310201200100022002120120211
433110310023023002001
5114223313414102041
62123450143034121
7136041564055120
oct17246413130201
93650308076524
101053142331521
113766a9433145
1215013329b941
1378407065417
1438d8822dab7
151c5dbe17481
hexf5342cb081

1053142331521 has 8 divisors (see below), whose sum is σ = 1274390720640. Its totient is φ = 849593813568.

The previous prime is 1053142331471. The next prime is 1053142331533. The reversal of 1053142331521 is 1251332413501.

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 1053142331521 - 213 = 1053142323329 is a prime.

It is a super-2 number, since 2×10531423315212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053142331321) 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, 4424967661 + ... + 4424967898.

It is an arithmetic number, because the mean of its divisors is an integer number (159298840080).

Almost surely, 21053142331521 is an apocalyptic number.

It is an amenable number.

1053142331521 is a deficient number, since it is larger than the sum of its proper divisors (221248389119).

1053142331521 is an equidigital number, since it uses as much as digits as its factorization.

1053142331521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849935583.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 1053142331521 in words is "one trillion, fifty-three billion, one hundred forty-two million, three hundred thirty-one thousand, five hundred twenty-one".

Divisors: 1 7 17 119 8849935559 61949548913 150448904503 1053142331521