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13686854446688 = 251922511273761
BaseRepresentation
bin1100011100101011100000…
…0110001110111001100000
31210110110011102022121221112
43013022320012032321200
53243221134214243223
645035353143042452
72611562004150533
oct307127006167140
953413142277845
1013686854446688
1143a7620579645
12165072ba40428
13783884850737
14354639512a1a
1518b05e63a778
hexc72b818ee60

13686854446688 has 24 divisors (see below), whose sum is σ = 28364204940120. Its totient is φ = 6483246842880.

The previous prime is 13686854446627. The next prime is 13686854446723. The reversal of 13686854446688 is 88664445868631.

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, 11255636273 + ... + 11255637488.

It is an arithmetic number, because the mean of its divisors is an integer number (1181841872505).

Almost surely, 213686854446688 is an apocalyptic number.

It is an amenable number.

13686854446688 is an abundant number, since it is smaller than the sum of its proper divisors (14677350493432).

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

13686854446688 is a wasteful number, since it uses less digits than its factorization.

13686854446688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22511273790 (or 22511273782 counting only the distinct ones).

The product of its digits is 5096079360, while the sum is 77.

The spelling of 13686854446688 in words is "thirteen trillion, six hundred eighty-six billion, eight hundred fifty-four million, four hundred forty-six thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 22511273761 45022547522 90045095044 180090190088 360180380176 427714201459 720360760352 855428402918 1710856805836 3421713611672 6843427223344 13686854446688