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12717428786606 = 230931120557673
BaseRepresentation
bin1011100100010000000111…
…0100110100010110101110
31200000202220110220121002102
42321010001310310112232
53131330243232132411
643014150042455102
72451542512044665
oct271040164642656
950022813817072
1012717428786606
114063482009875
121514881204492
1371332c9300bb
1431d7538dbddc
15170c2214cd3b
hexb9101d345ae

12717428786606 has 8 divisors (see below), whose sum is σ = 19076205780864. Its totient is φ = 6358693526320.

The previous prime is 12717428786603. The next prime is 12717428786627. The reversal of 12717428786606 is 60668782471721.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12717428786603) 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, 9660215 + ... + 10897458.

It is an arithmetic number, because the mean of its divisors is an integer number (2384525722608).

Almost surely, 212717428786606 is an apocalyptic number.

12717428786606 is a deficient number, since it is larger than the sum of its proper divisors (6358776994258).

12717428786606 is a wasteful number, since it uses less digits than its factorization.

12717428786606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20866986.

The product of its (nonzero) digits is 75866112, while the sum is 65.

The spelling of 12717428786606 in words is "twelve trillion, seven hundred seventeen billion, four hundred twenty-eight million, seven hundred eighty-six thousand, six hundred six".

Divisors: 1 2 309311 618622 20557673 41115346 6358714393303 12717428786606