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30420021201 = 310140007067
BaseRepresentation
bin11100010101001011…
…001010111111010001
32220112000122012010220
4130111023022333101
5444300011134301
621550314343253
72124556625313
oct342513127721
986460565126
1030420021201
11119a0344199
125a8b72ab29
132b3a3c665b
1416881417b3
15bd0944936
hex7152cafd1

30420021201 has 4 divisors (see below), whose sum is σ = 40560028272. Its totient is φ = 20280014132.

The previous prime is 30420021197. The next prime is 30420021209. The reversal of 30420021201 is 10212002403.

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 not a de Polignac number, because 30420021201 - 22 = 30420021197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30420021209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5070003531 + ... + 5070003536.

It is an arithmetic number, because the mean of its divisors is an integer number (10140007068).

Almost surely, 230420021201 is an apocalyptic number.

It is an amenable number.

30420021201 is a deficient number, since it is larger than the sum of its proper divisors (10140007071).

30420021201 is a wasteful number, since it uses less digits than its factorization.

30420021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140007070.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30420021201 its reverse (10212002403), we get a palindrome (40632023604).

The spelling of 30420021201 in words is "thirty billion, four hundred twenty million, twenty-one thousand, two hundred one".

Divisors: 1 3 10140007067 30420021201