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306376013081 = 1392204143979
BaseRepresentation
bin1000111010101010110…
…11101111010100011001
31002021210212112001101202
410131111123233110121
520004424224404311
6352425221123545
731064166066635
oct4352533572431
91067725461352
10306376013081
11108a2a2aa2a6
124b4648595b5
1322b77a8ac08
1410b85c6ddc5
157e8231ce3b
hex47556ef519

306376013081 has 4 divisors (see below), whose sum is σ = 308580157200. Its totient is φ = 304171868964.

The previous prime is 306376013077. The next prime is 306376013179. The reversal of 306376013081 is 180310673603.

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.

It is a cyclic number.

It is not a de Polignac number, because 306376013081 - 22 = 306376013077 is a prime.

It is a super-2 number, since 2×3063760130812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306376093081) 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, 1102071851 + ... + 1102072128.

It is an arithmetic number, because the mean of its divisors is an integer number (77145039300).

Almost surely, 2306376013081 is an apocalyptic number.

It is an amenable number.

306376013081 is a deficient number, since it is larger than the sum of its proper divisors (2204144119).

306376013081 is a wasteful number, since it uses less digits than its factorization.

306376013081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204144118.

The product of its (nonzero) digits is 54432, while the sum is 38.

Adding to 306376013081 its reverse (180310673603), we get a palindrome (486686686684).

The spelling of 306376013081 in words is "three hundred six billion, three hundred seventy-six million, thirteen thousand, eighty-one".

Divisors: 1 139 2204143979 306376013081