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60455469721 is a prime number
BaseRepresentation
bin111000010011011011…
…010100001010011001
312210001020122001202011
4320103123110022121
51442303100012341
643434534305521
74240100004523
oct702333241231
9183036561664
1060455469721
112370359a219
12b8724b82a1
135915c206ba
142cd7176a13
15188c721b81
hexe136d4299

60455469721 has 2 divisors, whose sum is σ = 60455469722. Its totient is φ = 60455469720.

The previous prime is 60455469631. The next prime is 60455469727. The reversal of 60455469721 is 12796455406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36811794496 + 23643675225 = 191864^2 + 153765^2 .

It is a cyclic number.

It is not a de Polignac number, because 60455469721 - 27 = 60455469593 is a prime.

It is not a weakly prime, because it can be changed into another prime (60455469727) 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 as a sum of consecutive naturals, namely, 30227734860 + 30227734861.

It is an arithmetic number, because the mean of its divisors is an integer number (30227734861).

Almost surely, 260455469721 is an apocalyptic number.

It is an amenable number.

60455469721 is a deficient number, since it is larger than the sum of its proper divisors (1).

60455469721 is an equidigital number, since it uses as much as digits as its factorization.

60455469721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 60455469721 in words is "sixty billion, four hundred fifty-five million, four hundred sixty-nine thousand, seven hundred twenty-one".