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30144168755 = 529317655807
BaseRepresentation
bin11100000100101110…
…111000001100110011
32212210210120102201122
4130010232320030303
5443213401400010
621503102052455
72115000130631
oct340456701463
985723512648
1030144168755
1111869663168
125a1327a12b
132ac5201a5c
14165d656351
15bb6605855
hex704bb8333

30144168755 has 16 divisors (see below), whose sum is σ = 37538449920. Its totient is φ = 23210285952.

The previous prime is 30144168751. The next prime is 30144168757. The reversal of 30144168755 is 55786144103.

It is not a de Polignac number, because 30144168755 - 22 = 30144168751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30144168751) 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 in 15 ways as a sum of consecutive naturals, for example, 281939 + ... + 373868.

It is an arithmetic number, because the mean of its divisors is an integer number (2346153120).

Almost surely, 230144168755 is an apocalyptic number.

30144168755 is a deficient number, since it is larger than the sum of its proper divisors (7394281165).

30144168755 is a wasteful number, since it uses less digits than its factorization.

30144168755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656158.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 30144168755 in words is "thirty billion, one hundred forty-four million, one hundred sixty-eight thousand, seven hundred fifty-five".

Divisors: 1 5 29 145 317 1585 9193 45965 655807 3279035 19018403 95092015 207890819 1039454095 6028833751 30144168755