Base | Representation |
---|---|
bin | 1011111011101111100111… |
… | …0000010001001100110100 |
3 | 1201110100122110112212011210 |
4 | 2332323321300101030310 |
5 | 3204433322144132012 |
6 | 43523414041401420 |
7 | 2522651054242521 |
oct | 276737160211464 |
9 | 51410573485153 |
10 | 13121020302132 |
11 | 41a9658994a16 |
12 | 157ab37199270 |
13 | 7423cb36a752 |
14 | 3350bca82148 |
15 | 17b493ece23c |
hex | beef9c11334 |
13121020302132 has 12 divisors (see below), whose sum is σ = 30615714038336. Its totient is φ = 4373673434040.
The previous prime is 13121020302127. The next prime is 13121020302191. The reversal of 13121020302132 is 23120302012131.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×131210203021322 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13121020302099 and 13121020302108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546709179244 + ... + 546709179267.
Almost surely, 213121020302132 is an apocalyptic number.
13121020302132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13121020302132 is an abundant number, since it is smaller than the sum of its proper divisors (17494693736204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13121020302132 is a wasteful number, since it uses less digits than its factorization.
13121020302132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1093418358518 (or 1093418358516 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 13121020302132 its reverse (23120302012131), we get a palindrome (36241322314263).
The spelling of 13121020302132 in words is "thirteen trillion, one hundred twenty-one billion, twenty million, three hundred two thousand, one hundred thirty-two".
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