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454123053221 = 3783757195343
BaseRepresentation
bin1101001101110111101…
…01111110000010100101
31121102011121122100100112
412212323311332002211
524420021000200341
6544342105022405
744544410156045
oct6467365760245
91542147570315
10454123053221
11165657696352
1274018a84a05
1333a92655316
1417da0319725
15bc2d21daeb
hex69bbd7e0a5

454123053221 has 16 divisors (see below), whose sum is σ = 472641840384. Its totient is φ = 435947085504.

The previous prime is 454123053193. The next prime is 454123053229. The reversal of 454123053221 is 122350321454.

It is a cyclic number.

It is not a de Polignac number, because 454123053221 - 222 = 454118858917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454123053229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2227076 + ... + 2422418.

It is an arithmetic number, because the mean of its divisors is an integer number (29540115024).

Almost surely, 2454123053221 is an apocalyptic number.

It is an amenable number.

454123053221 is a deficient number, since it is larger than the sum of its proper divisors (18518787163).

454123053221 is a wasteful number, since it uses less digits than its factorization.

454123053221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196220.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 454123053221 its reverse (122350321454), we get a palindrome (576473374675).

The spelling of 454123053221 in words is "four hundred fifty-four billion, one hundred twenty-three million, fifty-three thousand, two hundred twenty-one".

Divisors: 1 37 83 757 3071 28009 62831 195343 2324747 7227691 16213469 147874651 599898353 5471362087 12273596033 454123053221