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13628671189788 = 2231135722599149
BaseRepresentation
bin1100011001010010110000…
…0110101110001100011100
31210020212222112020221012210
43012110230012232030130
53241243004311033123
644552531454000420
72604432114503124
oct306245406561434
953225875227183
1013628671189788
114384983651566
1216413b24a6110
1377b2415c6485
143518ba053c84
151897a664be93
hexc652c1ae31c

13628671189788 has 12 divisors (see below), whose sum is σ = 31800232776200. Its totient is φ = 4542890396592.

The previous prime is 13628671189687. The next prime is 13628671189799. The reversal of 13628671189788 is 88798117682631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567861299563 + ... + 567861299586.

Almost surely, 213628671189788 is an apocalyptic number.

It is an amenable number.

13628671189788 is an abundant number, since it is smaller than the sum of its proper divisors (18171561586412).

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

13628671189788 is a wasteful number, since it uses less digits than its factorization.

13628671189788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135722599156 (or 1135722599154 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 75.

The spelling of 13628671189788 in words is "thirteen trillion, six hundred twenty-eight billion, six hundred seventy-one million, one hundred eighty-nine thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1135722599149 2271445198298 3407167797447 4542890396596 6814335594894 13628671189788