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2021463316513 = 7972173354539
BaseRepresentation
bin11101011010101000100…
…110100101100000100001
321011020202020212022002201
4131122220212211200201
5231104424102112023
64144351502213201
7266021513453614
oct35325046454041
97136666768081
102021463316513
1170a3303851a3
12287933b84201
13118814159164
146dba724a17b
15378b2448bad
hex1d6a89a5821

2021463316513 has 8 divisors (see below), whose sum is σ = 2047085596800. Its totient is φ = 1995841889808.

The previous prime is 2021463316471. The next prime is 2021463316519. The reversal of 2021463316513 is 3156133641202.

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 2021463316513 - 29 = 2021463316001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021463316519) 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, 5524398 + ... + 5878936.

It is an arithmetic number, because the mean of its divisors is an integer number (255885699600).

Almost surely, 22021463316513 is an apocalyptic number.

It is an amenable number.

2021463316513 is a deficient number, since it is larger than the sum of its proper divisors (25622280287).

2021463316513 is an equidigital number, since it uses as much as digits as its factorization.

2021463316513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426791.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 2021463316513 its reverse (3156133641202), we get a palindrome (5177596957715).

The spelling of 2021463316513 in words is "two trillion, twenty-one billion, four hundred sixty-three million, three hundred sixteen thousand, five hundred thirteen".

Divisors: 1 79 72173 354539 5701667 28008581 25588143247 2021463316513