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12703308012 = 22321373377643
BaseRepresentation
bin10111101010010110…
…10001100011101100
31012210022111220120100
423311023101203230
5202004021324022
65500311551100
7626541223263
oct136513214354
935708456510
1012703308012
11542976036a
12256638b490
131275a91805
148871b75da
154e53981ac
hex2f52d18ec

12703308012 has 72 divisors (see below), whose sum is σ = 32445752976. Its totient is φ = 4190505984.

The previous prime is 12703307989. The next prime is 12703308031. The reversal of 12703308012 is 21080330721.

It is a super-2 number, since 2×127033080122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1658263 + ... + 1665905.

It is an arithmetic number, because the mean of its divisors is an integer number (450635458).

Almost surely, 212703308012 is an apocalyptic number.

12703308012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12703308012 is an abundant number, since it is smaller than the sum of its proper divisors (19742444964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12703308012 is a wasteful number, since it uses less digits than its factorization.

12703308012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8127 (or 8122 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 12703308012 its reverse (21080330721), we get a palindrome (33783638733).

The spelling of 12703308012 in words is "twelve billion, seven hundred three million, three hundred eight thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 137 274 337 411 548 674 822 1011 1233 1348 1644 2022 2466 3033 4044 4932 6066 7643 12132 15286 22929 30572 45858 46169 68787 91716 92338 137574 138507 184676 275148 277014 415521 554028 831042 1047091 1662084 2094182 2575691 3141273 4188364 5151382 6282546 7727073 9423819 10302764 12565092 15454146 18847638 23181219 30908292 37695276 46362438 92724876 352869667 705739334 1058609001 1411478668 2117218002 3175827003 4234436004 6351654006 12703308012