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6614201532481 = 25718092
BaseRepresentation
bin110000000111111110100…
…1000100000000001000001
3212102022102002002012112221
41200033331020200001001
51331331341043014411
622022304445251041
71251601036254034
oct140177510400101
925368362065487
106614201532481
112120081373554
128a9a62863a81
1338c94129bb5a
1418c1b420b01b
15b70b5997071
hex603fd220041

6614201532481 has 3 divisors (see below), whose sum is σ = 6614204104291. Its totient is φ = 6614198960672.

The previous prime is 6614201532469. The next prime is 6614201532541. The reversal of 6614201532481 is 1842351024166.

The square root of 6614201532481 is 2571809.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5070643772481 + 1543557760000 = 2251809^2 + 1242400^2 .

It is not a de Polignac number, because 6614201532481 - 29 = 6614201531969 is a prime.

It is a super-2 number, since 2×66142015324812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6614201532461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1285905 + ... + 3857713.

Almost surely, 26614201532481 is an apocalyptic number.

6614201532481 is the 2571809-th square number.

6614201532481 is the 1285905-th centered octagonal number.

It is an amenable number.

6614201532481 is a deficient number, since it is larger than the sum of its proper divisors (2571810).

6614201532481 is an frugal number, since it uses more digits than its factorization.

6614201532481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143618 (or 2571809 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 6614201532481 in words is "six trillion, six hundred fourteen billion, two hundred one million, five hundred thirty-two thousand, four hundred eighty-one".

Divisors: 1 2571809 6614201532481