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30001012201 = 223134533687
BaseRepresentation
bin11011111100001100…
…110001110111101001
32212102211012022212001
4123330030301313221
5442420224342301
621440545451001
72111311252606
oct337414616751
985384168761
1030001012201
11117a5875566
125993340a61
132aa165aa34
14164862d6ad
15ba8c78c01
hex6fc331de9

30001012201 has 4 divisors (see below), whose sum is σ = 30135546112. Its totient is φ = 29866478292.

The previous prime is 30001012193. The next prime is 30001012207. The reversal of 30001012201 is 10221010003.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10221010003 = 40125488803.

It is a cyclic number.

It is not a de Polignac number, because 30001012201 - 23 = 30001012193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30001012207) 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, 67266621 + ... + 67267066.

It is an arithmetic number, because the mean of its divisors is an integer number (7533886528).

Almost surely, 230001012201 is an apocalyptic number.

It is an amenable number.

30001012201 is a deficient number, since it is larger than the sum of its proper divisors (134533911).

30001012201 is a wasteful number, since it uses less digits than its factorization.

30001012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134533910.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 30001012201 its reverse (10221010003), we get a palindrome (40222022204).

The spelling of 30001012201 in words is "thirty billion, one million, twelve thousand, two hundred one".

Divisors: 1 223 134533687 30001012201