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305135342201 = 1042729263963
BaseRepresentation
bin1000111000010110111…
…10111101001001111001
31002011121101222102220102
410130023132331021321
514444404121422301
6352102141205145
731021352420444
oct4341336751171
91064541872812
10305135342201
11108452a44968
124b1792607b5
1322a0aa26731
1410aa919465b
157e0d44bb6b
hex470b7bd279

305135342201 has 4 divisors (see below), whose sum is σ = 305164616592. Its totient is φ = 305106067812.

The previous prime is 305135342191. The next prime is 305135342203. The reversal of 305135342201 is 102243531503.

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: 102243531503 = 115727883489.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-305135342201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305135342203) 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, 14621555 + ... + 14642408.

It is an arithmetic number, because the mean of its divisors is an integer number (76291154148).

Almost surely, 2305135342201 is an apocalyptic number.

It is an amenable number.

305135342201 is a deficient number, since it is larger than the sum of its proper divisors (29274391).

305135342201 is a wasteful number, since it uses less digits than its factorization.

305135342201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29274390.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 305135342201 its reverse (102243531503), we get a palindrome (407378873704).

The spelling of 305135342201 in words is "three hundred five billion, one hundred thirty-five million, three hundred forty-two thousand, two hundred one".

Divisors: 1 10427 29263963 305135342201