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13783020173 = 136739673989
BaseRepresentation
bin11001101011000100…
…00011001010001101
31022120120011222012122
430311202003022031
5211211423121143
610155401542325
7665361511166
oct146542031215
938516158178
1013783020173
11593317906a
122807aa49a5
1313b868b050
1494a75476d
1555a072c68
hex33588328d

13783020173 has 16 divisors (see below), whose sum is σ = 15072368640. Its totient is φ = 12526595136.

The previous prime is 13783020161. The next prime is 13783020191. The reversal of 13783020173 is 37102038731.

It is a cyclic number.

It is not a de Polignac number, because 13783020173 - 216 = 13782954637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13783020133) 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, 3453263 + ... + 3457251.

It is an arithmetic number, because the mean of its divisors is an integer number (942023040).

Almost surely, 213783020173 is an apocalyptic number.

13783020173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13783020173 is a deficient number, since it is larger than the sum of its proper divisors (1289348467).

13783020173 is a wasteful number, since it uses less digits than its factorization.

13783020173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036.

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 13783020173 in words is "thirteen billion, seven hundred eighty-three million, twenty thousand, one hundred seventy-three".

Divisors: 1 13 67 871 3967 3989 51571 51857 265789 267263 3455257 3474419 15824363 205716719 1060232321 13783020173