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1330331213021 = 52319843128189
BaseRepresentation
bin10011010110111101111…
…010110101110011011101
311201011211001212201110012
4103112331322311303131
5133244004242304041
62455051250453005
7165053563510016
oct23267572656335
94634731781405
101330331213021
11473210319498
121959b1294165
13985acc98475
14485619b000d
1524911b763eb
hex135bdeb5cdd

1330331213021 has 8 divisors (see below), whose sum is σ = 1332952436640. Its totient is φ = 1327710286512.

The previous prime is 1330331213017. The next prime is 1330331213033. The reversal of 1330331213021 is 1203121330331.

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 1330331213021 - 22 = 1330331213017 is a prime.

It is a super-2 number, since 2×13303312130212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330331213521) 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, 10313795 + ... + 10441983.

It is an arithmetic number, because the mean of its divisors is an integer number (166619054580).

Almost surely, 21330331213021 is an apocalyptic number.

It is an amenable number.

1330331213021 is a deficient number, since it is larger than the sum of its proper divisors (2621223619).

1330331213021 is a wasteful number, since it uses less digits than its factorization.

1330331213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148555.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1330331213021 its reverse (1203121330331), we get a palindrome (2533452543352).

The spelling of 1330331213021 in words is "one trillion, three hundred thirty billion, three hundred thirty-one million, two hundred thirteen thousand, twenty-one".

Divisors: 1 523 19843 128189 10377889 67042847 2543654327 1330331213021