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305134050103 = 378246866219
BaseRepresentation
bin1000111000010110110…
…10000001101100110111
31002011121022112210110221
410130023122001230313
514444403304100403
6352102053355211
731021335426421
oct4341332015467
91064538483427
10305134050103
11108452242113
124b178938b07
1322a0a69358c
1410aa8d39811
157e0d293dbd
hex470b681b37

305134050103 has 4 divisors (see below), whose sum is σ = 313380916360. Its totient is φ = 296887183848.

The previous prime is 305134050101. The next prime is 305134050163. The reversal of 305134050103 is 301050431503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301050431503 = 719418707137.

It is a cyclic number.

It is not a de Polignac number, because 305134050103 - 21 = 305134050101 is a prime.

It is a super-2 number, since 2×3051340501032 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305134050101) 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, 4123433073 + ... + 4123433146.

It is an arithmetic number, because the mean of its divisors is an integer number (78345229090).

Almost surely, 2305134050103 is an apocalyptic number.

305134050103 is a deficient number, since it is larger than the sum of its proper divisors (8246866257).

305134050103 is an equidigital number, since it uses as much as digits as its factorization.

305134050103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246866256.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 305134050103 its reverse (301050431503), we get a palindrome (606184481606).

The spelling of 305134050103 in words is "three hundred five billion, one hundred thirty-four million, fifty thousand, one hundred three".

Divisors: 1 37 8246866219 305134050103