Search a number
-
+
30212413001 = 163185352227
BaseRepresentation
bin11100001000110011…
…001101011001001001
32212222112222121020022
4130020303031121021
5443333334204001
621513540510225
72116456162511
oct341063153111
985875877208
1030212413001
11118a4135071
125a320ab375
132b063a7374
14166873c841
15bbc5d611b
hex708ccd649

30212413001 has 4 divisors (see below), whose sum is σ = 30397765392. Its totient is φ = 30027060612.

The previous prime is 30212412973. The next prime is 30212413027. The reversal of 30212413001 is 10031421203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30212413001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30212413201) 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, 92675951 + ... + 92676276.

It is an arithmetic number, because the mean of its divisors is an integer number (7599441348).

Almost surely, 230212413001 is an apocalyptic number.

It is an amenable number.

30212413001 is a deficient number, since it is larger than the sum of its proper divisors (185352391).

30212413001 is a wasteful number, since it uses less digits than its factorization.

30212413001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185352390.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30212413001 its reverse (10031421203), we get a palindrome (40243834204).

The spelling of 30212413001 in words is "thirty billion, two hundred twelve million, four hundred thirteen thousand, one".

Divisors: 1 163 185352227 30212413001