Search a number
-
+
30144061544 = 2315724000049
BaseRepresentation
bin11100000100101110…
…011110000001101000
32212210210100222122212
4130010232132001220
5443213334432134
621503055504252
72114666203232
oct340456360150
985723328585
1030144061544
111186959a663
125a13228088
132ac519500c
14165d629252
15bb65d3bce
hex704b9e068

30144061544 has 16 divisors (see below), whose sum is σ = 56880118500. Its totient is φ = 14976029952.

The previous prime is 30144061543. The next prime is 30144061601. The reversal of 30144061544 is 44516044103.

It can be written as a sum of positive squares in 2 ways, for example, as 29425285444 + 718776100 = 171538^2 + 26810^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30144061544.

It is not an unprimeable number, because it can be changed into a prime (30144061543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11998769 + ... + 12001280.

Almost surely, 230144061544 is an apocalyptic number.

It is an amenable number.

30144061544 is a deficient number, since it is larger than the sum of its proper divisors (26736056956).

30144061544 is a wasteful number, since it uses less digits than its factorization.

30144061544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24000212 (or 24000208 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 30144061544 in words is "thirty billion, one hundred forty-four million, sixty-one thousand, five hundred forty-four".

Divisors: 1 2 4 8 157 314 628 1256 24000049 48000098 96000196 192000392 3768007693 7536015386 15072030772 30144061544