Search a number
-
+
30302323441 = 132179303689
BaseRepresentation
bin11100001110001010…
…001100001011110001
32220012211011112011121
4130032022030023301
5444024343322231
621530511542241
72121630333205
oct341612141361
986184145147
1030302323441
111193a965115
125a5822a981
132b1bbc7600
141676664b05
15bc5446311
hex70e28c2f1

30302323441 has 6 divisors (see below), whose sum is σ = 32812575270. Its totient is φ = 27971375328.

The previous prime is 30302323409. The next prime is 30302323481. The reversal of 30302323441 is 14432320303.

It can be written as a sum of positive squares in 3 ways, for example, as 207360000 + 30094963441 = 14400^2 + 173479^2 .

It is not a de Polignac number, because 30302323441 - 25 = 30302323409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30302323481) 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, 89651676 + ... + 89652013.

It is an arithmetic number, because the mean of its divisors is an integer number (5468762545).

Almost surely, 230302323441 is an apocalyptic number.

It is an amenable number.

30302323441 is a deficient number, since it is larger than the sum of its proper divisors (2510251829).

30302323441 is a wasteful number, since it uses less digits than its factorization.

30302323441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179303715 (or 179303702 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 30302323441 its reverse (14432320303), we get a palindrome (44734643744).

The spelling of 30302323441 in words is "thirty billion, three hundred two million, three hundred twenty-three thousand, four hundred forty-one".

Divisors: 1 13 169 179303689 2330947957 30302323441