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13206623632783 = 71937272533179
BaseRepresentation
bin1100000000101110100000…
…0111000011110110001111
31201202112121022022121210121
43000023220013003312033
53212334131122222113
644031012242045411
72532101305452220
oct300135007036617
951675538277717
1013206623632783
114231996821279
121593647649867
1374a4c1324a19
143392bda91247
1517d80437de8d
hexc02e81c3d8f

13206623632783 has 24 divisors (see below), whose sum is σ = 16328669481600. Its totient is φ = 10434332854368.

The previous prime is 13206623632759. The next prime is 13206623632817. The reversal of 13206623632783 is 38723632660231.

It is not a de Polignac number, because 13206623632783 - 213 = 13206623624591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13206623632783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13206623632703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36084513 + ... + 36448666.

It is an arithmetic number, because the mean of its divisors is an integer number (680361228400).

Almost surely, 213206623632783 is an apocalyptic number.

13206623632783 is a deficient number, since it is larger than the sum of its proper divisors (3122045848817).

13206623632783 is an equidigital number, since it uses as much as digits as its factorization.

13206623632783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72533279 (or 72533242 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 52.

The spelling of 13206623632783 in words is "thirteen trillion, two hundred six billion, six hundred twenty-three million, six hundred thirty-two thousand, seven hundred eighty-three".

Divisors: 1 7 19 37 133 259 703 1369 4921 9583 26011 182077 72533179 507732253 1378130401 2683727623 9646912807 18786093361 50990824837 99297922051 356935773859 695085454357 1886660518969 13206623632783