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12716681950 = 2527191912283
BaseRepresentation
bin10111101011111100…
…10010101011011110
31012211020200101011101
423311332102223132
5202020432310300
65501510343314
7630063004330
oct136576225336
935736611141
1012716681950
115436265405
12256a95ab3a
131278794c9b
14888c99450
154e663ab6a
hex2f5f92ade

12716681950 has 48 divisors (see below), whose sum is σ = 28454785920. Its totient is φ = 4130529120.

The previous prime is 12716681933. The next prime is 12716681951. The reversal of 12716681950 is 5918661721.

It is a self number, because there is not a number n which added to its sum of digits gives 12716681950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12716681951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949492 + ... + 962791.

It is an arithmetic number, because the mean of its divisors is an integer number (592808040).

Almost surely, 212716681950 is an apocalyptic number.

12716681950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12716681950 is an abundant number, since it is smaller than the sum of its proper divisors (15738103970).

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

12716681950 is a wasteful number, since it uses less digits than its factorization.

12716681950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912321 (or 1912316 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 12716681950 in words is "twelve billion, seven hundred sixteen million, six hundred eighty-one thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 19 25 35 38 50 70 95 133 175 190 266 350 475 665 950 1330 3325 6650 1912283 3824566 9561415 13385981 19122830 26771962 36333377 47807075 66929905 72666754 95614150 133859810 181666885 254333639 334649525 363333770 508667278 669299050 908334425 1271668195 1816668850 2543336390 6358340975 12716681950