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163042351457 is a prime number
BaseRepresentation
bin1001011111011000010…
…1001101100101100001
3120120211200221121121112
42113312011031211201
510132402320221312
6202522311233105
714531225056346
oct2276605154541
9516750847545
10163042351457
116316717a907
1227722678795
13124b465c09b
147c699c27cd
154393ae9d22
hex25f614d961

163042351457 has 2 divisors, whose sum is σ = 163042351458. Its totient is φ = 163042351456.

The previous prime is 163042351441. The next prime is 163042351463. The reversal of 163042351457 is 754153240361.

163042351457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152999104801 + 10043246656 = 391151^2 + 100216^2 .

It is a cyclic number.

It is not a de Polignac number, because 163042351457 - 24 = 163042351441 is a prime.

It is not a weakly prime, because it can be changed into another prime (163042351427) 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 as a sum of consecutive naturals, namely, 81521175728 + 81521175729.

It is an arithmetic number, because the mean of its divisors is an integer number (81521175729).

Almost surely, 2163042351457 is an apocalyptic number.

It is an amenable number.

163042351457 is a deficient number, since it is larger than the sum of its proper divisors (1).

163042351457 is an equidigital number, since it uses as much as digits as its factorization.

163042351457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 163042351457 in words is "one hundred sixty-three billion, forty-two million, three hundred fifty-one thousand, four hundred fifty-seven".