Base | Representation |
---|---|
bin | 1011110010001101101100… |
… | …0010110000100000010101 |
3 | 1200212201001020221200220002 |
4 | 2330203123002300200111 |
5 | 3144243020323014010 |
6 | 43320255540021045 |
7 | 2505063611205443 |
oct | 274433302604025 |
9 | 50781036850802 |
10 | 12957296298005 |
11 | 4146181a673a4 |
12 | 1553264391785 |
13 | 72cb387243b7 |
14 | 32b1ca73db93 |
15 | 1770b06381a5 |
hex | bc8db0b0815 |
12957296298005 has 6 divisors (see below), whose sum is σ = 15548765216418. Its totient is φ = 10365830599200.
The previous prime is 12957296297999. The next prime is 12957296298013. The reversal of 12957296298005 is 50089269275921.
It can be written as a sum of positive squares in 3 ways, for example, as 7591777281124 + 5365519016881 = 2755318^2 + 2316359^2 .
It is not a de Polignac number, because 12957296298005 - 26 = 12957296297941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7244105 + ... + 8853905.
It is an arithmetic number, because the mean of its divisors is an integer number (2591460869403).
Almost surely, 212957296298005 is an apocalyptic number.
It is an amenable number.
12957296298005 is a deficient number, since it is larger than the sum of its proper divisors (2591468918413).
12957296298005 is an frugal number, since it uses more digits than its factorization.
12957296298005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3219607 (or 1609806 counting only the distinct ones).
The product of its (nonzero) digits is 48988800, while the sum is 65.
The spelling of 12957296298005 in words is "twelve trillion, nine hundred fifty-seven billion, two hundred ninety-six million, two hundred ninety-eight thousand, five".
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