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140331221513 = 750503396953
BaseRepresentation
bin1000001010110001100…
…1001000001000001001
3111102012220221200020122
42002230121020020021
54244344243042023
6144244533033025
713065352462460
oct2025431101011
9442186850218
10140331221513
115457235282a
1223244785775
13103053a1a62
146b1360b9d7
1539b4d4b2c8
hex20ac648209

140331221513 has 8 divisors (see below), whose sum is σ = 160382118528. Its totient is φ = 120281219424.

The previous prime is 140331221453. The next prime is 140331221549. The reversal of 140331221513 is 315122133041.

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 140331221513 - 226 = 140264112649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140331229513) 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, 155045 + ... + 551997.

It is an arithmetic number, because the mean of its divisors is an integer number (20047764816).

Almost surely, 2140331221513 is an apocalyptic number.

It is an amenable number.

140331221513 is a deficient number, since it is larger than the sum of its proper divisors (20050897015).

140331221513 is an equidigital number, since it uses as much as digits as its factorization.

140331221513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447463.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 140331221513 its reverse (315122133041), we get a palindrome (455453354554).

The spelling of 140331221513 in words is "one hundred forty billion, three hundred thirty-one million, two hundred twenty-one thousand, five hundred thirteen".

Divisors: 1 7 50503 353521 396953 2778671 20047317359 140331221513