Search a number
-
+
30141441012 = 2237948765287
BaseRepresentation
bin11100000100100100…
…011110001111110100
32212210121102211222010
4130010210132033310
5443212202103022
621502523404220
72114635010214
oct340444361764
985717384863
1030141441012
111186806a831
125a12383670
132ac47882c7
14165d146244
15bb626750c
hex70491e3f4

30141441012 has 48 divisors (see below), whose sum is σ = 71367618560. Its totient is φ = 9899446752.

The previous prime is 30141441007. The next prime is 30141441013. The reversal of 30141441012 is 21014414103.

It is a self number, because there is not a number n which added to its sum of digits gives 30141441012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30141441013) 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, 429033 + ... + 494319.

Almost surely, 230141441012 is an apocalyptic number.

It is an amenable number.

30141441012 is an abundant number, since it is smaller than the sum of its proper divisors (41226177548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30141441012 is a wasteful number, since it uses less digits than its factorization.

30141441012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65860 (or 65858 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 30141441012 its reverse (21014414103), we get a palindrome (51155855115).

The spelling of 30141441012 in words is "thirty billion, one hundred forty-one million, four hundred forty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 487 948 974 1461 1948 2922 5844 38473 65287 76946 115419 130574 153892 195861 230838 261148 391722 461676 783444 5157673 10315346 15473019 20630692 30946038 31794769 61892076 63589538 95384307 127179076 190768614 381537228 2511786751 5023573502 7535360253 10047147004 15070720506 30141441012