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30314342141 = 47644986003
BaseRepresentation
bin11100001110111000…
…000010011011111101
32220020122210010201122
4130032320002123331
5444040432422031
621532021320325
72122134441146
oct341670023375
986218703648
1030314342141
1111946723a26
125a602660a5
132b21544c75
1416780b2acd
15bc651c47b
hex70ee026fd

30314342141 has 4 divisors (see below), whose sum is σ = 30959328192. Its totient is φ = 29669356092.

The previous prime is 30314342119. The next prime is 30314342173. The reversal of 30314342141 is 14124341303.

It is a happy number.

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: 14124341303 = 31455623913.

It is a cyclic number.

It is not a de Polignac number, because 30314342141 - 210 = 30314341117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30314342141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30314342041) 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, 322492955 + ... + 322493048.

It is an arithmetic number, because the mean of its divisors is an integer number (7739832048).

Almost surely, 230314342141 is an apocalyptic number.

It is an amenable number.

30314342141 is a deficient number, since it is larger than the sum of its proper divisors (644986051).

30314342141 is an equidigital number, since it uses as much as digits as its factorization.

30314342141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644986050.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 30314342141 its reverse (14124341303), we get a palindrome (44438683444).

The spelling of 30314342141 in words is "thirty billion, three hundred fourteen million, three hundred forty-two thousand, one hundred forty-one".

Divisors: 1 47 644986003 30314342141