Search a number
-
+
30113240121 = 323345915569
BaseRepresentation
bin11100000010111000…
…111001010000111001
32212201122101002121200
4130002320321100321
5443132442140441
621500035124413
72114143213656
oct340270712071
985648332550
1030113240121
1111853159008
125a04a43709
132abb9931a3
1416594c4c2d
15bb3a467b6
hex702e39439

30113240121 has 6 divisors (see below), whose sum is σ = 43496902410. Its totient is φ = 20075493408.

The previous prime is 30113240117. The next prime is 30113240123. The reversal of 30113240121 is 12104231103.

30113240121 is a `hidden beast` number, since 301 + 1 + 3 + 240 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28709913600 + 1403326521 = 169440^2 + 37461^2 .

It is not a de Polignac number, because 30113240121 - 22 = 30113240117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30113240094 and 30113240103.

It is not an unprimeable number, because it can be changed into a prime (30113240123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1672957776 + ... + 1672957793.

It is an arithmetic number, because the mean of its divisors is an integer number (7249483735).

Almost surely, 230113240121 is an apocalyptic number.

It is an amenable number.

30113240121 is a deficient number, since it is larger than the sum of its proper divisors (13383662289).

30113240121 is a wasteful number, since it uses less digits than its factorization.

30113240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345915575 (or 3345915572 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30113240121 its reverse (12104231103), we get a palindrome (42217471224).

The spelling of 30113240121 in words is "thirty billion, one hundred thirteen million, two hundred forty thousand, one hundred twenty-one".

Divisors: 1 3 9 3345915569 10037746707 30113240121