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30144302534 = 261247084447
BaseRepresentation
bin11100000100101111…
…011000110111000110
32212210210211020020102
4130010233120313012
5443213420140114
621503105004102
72115001225643
oct340457306706
985723736212
1030144302534
1111869744725
125a13323632
132ac524a908
14165d68cdca
15bb66302de
hex704bd8dc6

30144302534 has 8 divisors (see below), whose sum is σ = 45957707328. Its totient is φ = 14825066760.

The previous prime is 30144302509. The next prime is 30144302543. The reversal of 30144302534 is 43520344103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×301443025342 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30144302497 and 30144302506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123542102 + ... + 123542345.

It is an arithmetic number, because the mean of its divisors is an integer number (5744713416).

Almost surely, 230144302534 is an apocalyptic number.

30144302534 is a deficient number, since it is larger than the sum of its proper divisors (15813404794).

30144302534 is a wasteful number, since it uses less digits than its factorization.

30144302534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247084510.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 30144302534 its reverse (43520344103), we get a palindrome (73664646637).

The spelling of 30144302534 in words is "thirty billion, one hundred forty-four million, three hundred two thousand, five hundred thirty-four".

Divisors: 1 2 61 122 247084447 494168894 15072151267 30144302534