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30504341141 = 191605491639
BaseRepresentation
bin11100011010001100…
…110100111010010101
32220201220022002100122
4130122030310322111
5444433102404031
622002525521325
72126632423121
oct343214647225
986656262318
1030504341141
1111a339a5a9a
125ab3a13245
132b51a0a101
141695410581
15bd804d47b
hex71a334e95

30504341141 has 4 divisors (see below), whose sum is σ = 32109832800. Its totient is φ = 28898849484.

The previous prime is 30504341113. The next prime is 30504341143. The reversal of 30504341141 is 14114340503.

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: 14114340503 = 16784517009.

It is a cyclic number.

It is not a de Polignac number, because 30504341141 - 222 = 30500146837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30504341141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30504341143) 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, 802745801 + ... + 802745838.

It is an arithmetic number, because the mean of its divisors is an integer number (8027458200).

Almost surely, 230504341141 is an apocalyptic number.

It is an amenable number.

30504341141 is a deficient number, since it is larger than the sum of its proper divisors (1605491659).

30504341141 is a wasteful number, since it uses less digits than its factorization.

30504341141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605491658.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 30504341141 its reverse (14114340503), we get a palindrome (44618681644).

The spelling of 30504341141 in words is "thirty billion, five hundred four million, three hundred forty-one thousand, one hundred forty-one".

Divisors: 1 19 1605491639 30504341141