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163042351442 = 24392423001
BaseRepresentation
bin1001011111011000010…
…1001101100101010010
3120120211200221121120222
42113312011031211102
510132402320221232
6202522311233042
714531225056325
oct2276605154522
9516750847528
10163042351442
116316717a8a3
1227722678782
13124b465c089
147c699c27bc
154393ae9d12
hex25f614d952

163042351442 has 12 divisors (see below), whose sum is σ = 245122467966. Its totient is φ = 81335286000.

The previous prime is 163042351441. The next prime is 163042351457. The reversal of 163042351442 is 244153240361.

163042351442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139568740921 + 23473610521 = 373589^2 + 153211^2 .

It is not an unprimeable number, because it can be changed into a prime (163042351441) 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 5 ways as a sum of consecutive naturals, for example, 173942 + ... + 596942.

Almost surely, 2163042351442 is an apocalyptic number.

163042351442 is a deficient number, since it is larger than the sum of its proper divisors (82080116524).

163042351442 is an frugal number, since it uses more digits than its factorization.

163042351442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423881 (or 423442 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 163042351442 in words is "one hundred sixty-three billion, forty-two million, three hundred fifty-one thousand, four hundred forty-two".

Divisors: 1 2 439 878 192721 385442 423001 846002 185697439 371394878 81521175721 163042351442