Base | Representation |
---|---|
bin | 1011011000010011001101… |
… | …1101100010001011000111 |
3 | 1122022010220222102200101210 |
4 | 2312010303131202023013 |
5 | 3114444241344112130 |
6 | 42335551505022503 |
7 | 2430653402445663 |
oct | 266046335421307 |
9 | 48263828380353 |
10 | 12512103113415 |
11 | 3a94398021574 |
12 | 14a0b1a024a33 |
13 | 6c9b6a165b19 |
14 | 3138363c18a3 |
15 | 16a7063915b0 |
hex | b61337622c7 |
12512103113415 has 32 divisors (see below), whose sum is σ = 21880748077056. Its totient is φ = 6077985569280.
The previous prime is 12512103113399. The next prime is 12512103113479. The reversal of 12512103113415 is 51431130121521.
12512103113415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12512103113415 - 24 = 12512103113399 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791396467 + ... + 791412276.
It is an arithmetic number, because the mean of its divisors is an integer number (683773377408).
Almost surely, 212512103113415 is an apocalyptic number.
12512103113415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12512103113415 is a deficient number, since it is larger than the sum of its proper divisors (9368644963641).
12512103113415 is a wasteful number, since it uses less digits than its factorization.
12512103113415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1582808799.
The product of its (nonzero) digits is 3600, while the sum is 30.
Adding to 12512103113415 its reverse (51431130121521), we get a palindrome (63943233234936).
The spelling of 12512103113415 in words is "twelve trillion, five hundred twelve billion, one hundred three million, one hundred thirteen thousand, four hundred fifteen".
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