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13755668693 = 1359145312343
BaseRepresentation
bin11001100111110011…
…01101100011010101
31022111122201101000212
430303321231203111
5211132422344233
610152543415205
7664610153234
oct146371554325
938448641025
1013755668693
115919797538
1227ba8b4505
1313b2b02740
14946c74b1b
1555796da48
hex333e6d8d5

13755668693 has 16 divisors (see below), whose sum is σ = 15076467840. Its totient is φ = 12472726464.

The previous prime is 13755668671. The next prime is 13755668737. The reversal of 13755668693 is 39686655731.

It is a cyclic number.

It is not a de Polignac number, because 13755668693 - 210 = 13755667669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13755668603) 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, 1108280 + ... + 1120622.

It is an arithmetic number, because the mean of its divisors is an integer number (942279240).

Almost surely, 213755668693 is an apocalyptic number.

13755668693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13755668693 is a deficient number, since it is larger than the sum of its proper divisors (1320799147).

13755668693 is a wasteful number, since it uses less digits than its factorization.

13755668693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13868.

The product of its digits is 24494400, while the sum is 59.

The spelling of 13755668693 in words is "thirteen billion, seven hundred fifty-five million, six hundred sixty-eight thousand, six hundred ninety-three".

Divisors: 1 13 59 767 1453 12343 18889 85727 160459 728237 1114451 9467081 17934379 233146927 1058128361 13755668693