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453668255401 = 6735492
BaseRepresentation
bin1101001101000001011…
…11000011011010101001
31121100222220212020000211
412212200233003122221
524413103033133101
6544225021101121
744530215354634
oct6464057033251
91540886766024
10453668255401
111654439a2a89
1273b106b77a1
1333a1c36889a
1417d59b6cc1b
15bc03333c51
hex69a0bc36a9

453668255401 has 3 divisors (see below), whose sum is σ = 453668928951. Its totient is φ = 453667581852.

The previous prime is 453668255387. The next prime is 453668255449. The reversal of 453668255401 is 104552866354.

The square root of 453668255401 is 673549.

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., 23515915801 + 430152339600 = 153349^2 + 655860^2 .

It is not a de Polignac number, because 453668255401 - 215 = 453668222633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453668255471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 336775 + ... + 1010323.

It is an arithmetic number, because the mean of its divisors is an integer number (151222976317).

Almost surely, 2453668255401 is an apocalyptic number.

453668255401 is the 673549-th square number.

453668255401 is the 336775-th centered octagonal number.

It is an amenable number.

453668255401 is a deficient number, since it is larger than the sum of its proper divisors (673550).

453668255401 is an frugal number, since it uses more digits than its factorization.

453668255401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347098 (or 673549 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 49.

Multiplying 453668255401 by its sum of digits (49), we get a square (22229744514649 = 47148432).

The spelling of 453668255401 in words is "four hundred fifty-three billion, six hundred sixty-eight million, two hundred fifty-five thousand, four hundred one".

Divisors: 1 673549 453668255401