Search a number
-
+
30013061001 = 3721118560953
BaseRepresentation
bin11011111100111010…
…101111011110001001
32212110122212110200220
4123330322233132021
5442431320423001
621442100020253
72111515544400
oct337472573611
985418773626
1030013061001
1111801654a50
125997391689
132aa3cb8cc1
14164a088637
15ba9d58c36
hex6fceaf789

30013061001 has 24 divisors (see below), whose sum is σ = 50782770144. Its totient is φ = 15591199680.

The previous prime is 30013060993. The next prime is 30013061011. The reversal of 30013061001 is 10016031003.

It is not a de Polignac number, because 30013061001 - 23 = 30013060993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30013061011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9278860 + ... + 9282093.

It is an arithmetic number, because the mean of its divisors is an integer number (2115948756).

Almost surely, 230013061001 is an apocalyptic number.

It is an amenable number.

30013061001 is a deficient number, since it is larger than the sum of its proper divisors (20769709143).

30013061001 is a wasteful number, since it uses less digits than its factorization.

30013061001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18560981 (or 18560974 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30013061001 its reverse (10016031003), we get a palindrome (40029092004).

The spelling of 30013061001 in words is "thirty billion, thirteen million, sixty-one thousand, one".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 18560953 55682859 129926671 204170483 389780013 612511449 909486697 1429193381 2728460091 4287580143 10004353667 30013061001