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12898526988 = 22310199110739
BaseRepresentation
bin11000000001100111…
…11110011100001100
31020021220212001122210
430000303332130030
5202404010330423
65531524110420
7634431445644
oct140063763414
936256761583
1012898526988
115519978266
1225bb835410
1312a73638b9
148a50b3524
155075aab93
hex300cfe70c

12898526988 has 48 divisors (see below), whose sum is σ = 30428052480. Its totient is φ = 4252248000.

The previous prime is 12898526981. The next prime is 12898527007. The reversal of 12898526988 is 88962589821.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12898526981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195723 + ... + 1206461.

It is an arithmetic number, because the mean of its divisors is an integer number (633917760).

Almost surely, 212898526988 is an apocalyptic number.

It is an amenable number.

12898526988 is an abundant number, since it is smaller than the sum of its proper divisors (17529525492).

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

12898526988 is a wasteful number, since it uses less digits than its factorization.

12898526988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838 (or 11836 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 66.

The spelling of 12898526988 in words is "twelve billion, eight hundred ninety-eight million, five hundred twenty-six thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 991 1212 1982 2973 3964 5946 10739 11892 21478 32217 42956 64434 100091 128868 200182 300273 400364 600546 1084639 1201092 2169278 3253917 4338556 6507834 10642349 13015668 21284698 31927047 42569396 63854094 127708188 1074877249 2149754498 3224631747 4299508996 6449263494 12898526988