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13488667820871 = 319972439621599
BaseRepresentation
bin1100010001001001001101…
…0000010000001101000111
31202202111121110012220011220
43010102103100100031013
53231444242430231441
644404335231531423
72561344522502655
oct304222320201507
952674543186156
1013488667820871
11433056a3772a1
12161a23b689b73
1376ac8c124c49
14348bd81c9dd5
15185d104b2466
hexc4493410347

13488667820871 has 16 divisors (see below), whose sum is σ = 19126633344000. Its totient is φ = 8431332242688.

The previous prime is 13488667820827. The next prime is 13488667820891. The reversal of 13488667820871 is 17802876688431.

It is not a de Polignac number, because 13488667820871 - 221 = 13488665723719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13488667820796 and 13488667820805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13488667820891) 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, 1219805271 + ... + 1219816328.

It is an arithmetic number, because the mean of its divisors is an integer number (1195414584000).

Almost surely, 213488667820871 is an apocalyptic number.

13488667820871 is a deficient number, since it is larger than the sum of its proper divisors (5637965523129).

13488667820871 is a wasteful number, since it uses less digits than its factorization.

13488667820871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439621718.

The product of its (nonzero) digits is 173408256, while the sum is 69.

The spelling of 13488667820871 in words is "thirteen trillion, four hundred eighty-eight billion, six hundred sixty-seven million, eight hundred twenty thousand, eight hundred seventy-one".

Divisors: 1 3 19 57 97 291 1843 5529 2439621599 7318864797 46352810381 139058431143 236643295103 709929885309 4496222606957 13488667820871