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30201203201 = 132323169477
BaseRepresentation
bin11100001000001000…
…011100101000000001
32212221202220002021112
4130020020130220001
5443323002000301
621512500333105
72116261664051
oct341010345001
985852802245
1030201203201
1111898878a74
125a2a3a4195
132b03c80c50
141667061561
15bbb61e9bb
hex70821ca01

30201203201 has 4 divisors (see below), whose sum is σ = 32524372692. Its totient is φ = 27878033712.

The previous prime is 30201203161. The next prime is 30201203203. The reversal of 30201203201 is 10230210203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10230210203 = 22944673407.

It can be written as a sum of positive squares in 2 ways, for example, as 15109326400 + 15091876801 = 122920^2 + 122849^2 .

It is a cyclic number.

It is not a de Polignac number, because 30201203201 - 226 = 30134094337 is a prime.

It is a super-2 number, since 2×302012032012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30201203203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161584726 + ... + 1161584751.

It is an arithmetic number, because the mean of its divisors is an integer number (8131093173).

Almost surely, 230201203201 is an apocalyptic number.

It is an amenable number.

30201203201 is a deficient number, since it is larger than the sum of its proper divisors (2323169491).

30201203201 is a wasteful number, since it uses less digits than its factorization.

30201203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323169490.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30201203201 its reverse (10230210203), we get a palindrome (40431413404).

The spelling of 30201203201 in words is "thirty billion, two hundred one million, two hundred three thousand, two hundred one".

Divisors: 1 13 2323169477 30201203201