Base | Representation |
---|---|
bin | 1101110101000000000111… |
… | …0001101110010111001101 |
3 | 1222211111201211002110220000 |
4 | 3131100001301232113031 |
5 | 3443101212243240023 |
6 | 52200415225114513 |
7 | 3126316411661415 |
oct | 335200161562715 |
9 | 58744654073800 |
10 | 15204214040013 |
11 | 49320864a8379 |
12 | 1856818628a39 |
13 | 86399c5c204b |
14 | 3a7c60505645 |
15 | 1b576aa3d243 |
hex | dd401c6e5cd |
15204214040013 has 10 divisors (see below), whose sum is σ = 22712467887054. Its totient is φ = 10136142693288.
The previous prime is 15204214039967. The next prime is 15204214040047. The reversal of 15204214040013 is 31004041240251.
15204214040013 is a `hidden beast` number, since 1 + 5 + 204 + 2 + 1 + 40 + 400 + 13 = 666.
15204214040013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 14268471233769 + 935742806244 = 3777363^2 + 967338^2 .
It is not a de Polignac number, because 15204214040013 - 210 = 15204214038989 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15204214040713) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93853173006 + ... + 93853173167.
Almost surely, 215204214040013 is an apocalyptic number.
It is an amenable number.
15204214040013 is a deficient number, since it is larger than the sum of its proper divisors (7508253847041).
15204214040013 is an equidigital number, since it uses as much as digits as its factorization.
15204214040013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187706346185 (or 187706346176 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 15204214040013 its reverse (31004041240251), we get a palindrome (46208255280264).
The spelling of 15204214040013 in words is "fifteen trillion, two hundred four billion, two hundred fourteen million, forty thousand, thirteen".
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