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12703308011 = 611016920479
BaseRepresentation
bin10111101010010110…
…10001100011101011
31012210022111220120022
423311023101203223
5202004021324021
65500311551055
7626541223262
oct136513214353
935708456508
1012703308011
115429760369
12256638b48b
131275a91804
148871b75d9
154e53981ab
hex2f52d18eb

12703308011 has 8 divisors (see below), whose sum is σ = 12913459200. Its totient is φ = 12493218240.

The previous prime is 12703307989. The next prime is 12703308031. The reversal of 12703308011 is 11080330721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12703308011 is a prime.

It is a super-2 number, since 2×127033080112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12703308031) 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 7 ways as a sum of consecutive naturals, for example, 610070 + ... + 630548.

It is an arithmetic number, because the mean of its divisors is an integer number (1614182400).

Almost surely, 212703308011 is an apocalyptic number.

12703308011 is a deficient number, since it is larger than the sum of its proper divisors (210151189).

12703308011 is a wasteful number, since it uses less digits than its factorization.

12703308011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30709.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 12703308011 its reverse (11080330721), we get a palindrome (23783638732).

The spelling of 12703308011 in words is "twelve billion, seven hundred three million, three hundred eight thousand, eleven".

Divisors: 1 61 10169 20479 620309 1249219 208250951 12703308011