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30403204301 = 68574433893
BaseRepresentation
bin11100010100001011…
…000001010011001101
32220110211222210200202
4130110023001103031
5444231210014201
621544514103245
72124263654411
oct342413012315
986424883622
1030403204301
11119918a8428
125a85b7ab25
132b36a89022
141685c04d41
15bce221c6b
hex7142c14cd

30403204301 has 4 divisors (see below), whose sum is σ = 30407645052. Its totient is φ = 30398763552.

The previous prime is 30403204291. The next prime is 30403204319. The reversal of 30403204301 is 10340230403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 228040201 + 30175164100 = 15101^2 + 173710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30403204301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30403204801) 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, 2210090 + ... + 2223803.

It is an arithmetic number, because the mean of its divisors is an integer number (7601911263).

Almost surely, 230403204301 is an apocalyptic number.

It is an amenable number.

30403204301 is a deficient number, since it is larger than the sum of its proper divisors (4440751).

30403204301 is an equidigital number, since it uses as much as digits as its factorization.

30403204301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440750.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30403204301 its reverse (10340230403), we get a palindrome (40743434704).

The spelling of 30403204301 in words is "thirty billion, four hundred three million, two hundred four thousand, three hundred one".

Divisors: 1 6857 4433893 30403204301