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455545353481 = 6749412
BaseRepresentation
bin1101010000100001001…
…11100111010100001001
31121112211201221200111221
412220100213213110021
524430424102302411
6545135153522041
744624560421041
oct6502047472411
91545751850457
10455545353481
11166217526609
1274355273321
1333c5b2111ca
1418097194721
15bcb301b071
hex6a109e7509

455545353481 has 3 divisors (see below), whose sum is σ = 455546028423. Its totient is φ = 455544678540.

The previous prime is 455545353457. The next prime is 455545353559. The reversal of 455545353481 is 184353545554.

The square root of 455545353481 is 674941.

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., 453118805881 + 2426547600 = 673141^2 + 49260^2 .

It is not a de Polignac number, because 455545353481 - 217 = 455545222409 is a prime.

It is a super-2 number, since 2×4555453534812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455545357481) 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 2 ways as a sum of consecutive naturals, for example, 337471 + ... + 1012411.

It is an arithmetic number, because the mean of its divisors is an integer number (151848676141).

Almost surely, 2455545353481 is an apocalyptic number.

455545353481 is the 674941-st square number.

455545353481 is the 337471-st centered octagonal number.

It is an amenable number.

455545353481 is a deficient number, since it is larger than the sum of its proper divisors (674942).

455545353481 is an frugal number, since it uses more digits than its factorization.

455545353481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349882 (or 674941 counting only the distinct ones).

The product of its digits is 14400000, while the sum is 52.

The spelling of 455545353481 in words is "four hundred fifty-five billion, five hundred forty-five million, three hundred fifty-three thousand, four hundred eighty-one".

Divisors: 1 674941 455545353481