Search a number
-
+
30320220001 = 174143501033
BaseRepresentation
bin11100001111001110…
…011101011101100001
32220021001211202122011
4130033032131131201
5444043434020001
621532351312521
72122235421601
oct341716353541
986231752564
1030320220001
1111949a79065
125a6221b741
132b228224a6
141678ba2c01
15bc6ccdd51
hex70f39d761

30320220001 has 8 divisors (see below), whose sum is σ = 32886781704. Its totient is φ = 27840660480.

The previous prime is 30320219927. The next prime is 30320220011. The reversal of 30320220001 is 10002202303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17766225 + 30302453776 = 4215^2 + 174076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30320220001 - 213 = 30320211809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320220011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21749820 + ... + 21751213.

It is an arithmetic number, because the mean of its divisors is an integer number (4110847713).

Almost surely, 230320220001 is an apocalyptic number.

It is an amenable number.

30320220001 is a deficient number, since it is larger than the sum of its proper divisors (2566561703).

30320220001 is a wasteful number, since it uses less digits than its factorization.

30320220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43501091.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30320220001 its reverse (10002202303), we get a palindrome (40322422304).

The spelling of 30320220001 in words is "thirty billion, three hundred twenty million, two hundred twenty thousand, one".

Divisors: 1 17 41 697 43501033 739517561 1783542353 30320220001