Base | Representation |
---|---|
bin | 1011110100010101011110… |
… | …0010010101010101101111 |
3 | 1201000012010102000210001121 |
4 | 2331011113202111111233 |
5 | 3200342142120012440 |
6 | 43345124403321411 |
7 | 2510524051336534 |
oct | 275052742252557 |
9 | 51005112023047 |
10 | 12993744688495 |
11 | 415a68614866a |
12 | 155a336980267 |
13 | 7333c6a3a46c |
14 | 32cc87356d8b |
15 | 177ee541b34a |
hex | bd15789556f |
12993744688495 has 16 divisors (see below), whose sum is σ = 15655528354752. Its totient is φ = 10353027720960.
The previous prime is 12993744688453. The next prime is 12993744688513. The reversal of 12993744688495 is 59488644739921.
It is not a de Polignac number, because 12993744688495 - 27 = 12993744688367 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558182 + ... + 5330611.
It is an arithmetic number, because the mean of its divisors is an integer number (978470522172).
Almost surely, 212993744688495 is an apocalyptic number.
12993744688495 is a deficient number, since it is larger than the sum of its proper divisors (2661783666257).
12993744688495 is a wasteful number, since it uses less digits than its factorization.
12993744688495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6890322.
The product of its digits is 3762339840, while the sum is 79.
The spelling of 12993744688495 in words is "twelve trillion, nine hundred ninety-three billion, seven hundred forty-four million, six hundred eighty-eight thousand, four hundred ninety-five".
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