Base | Representation |
---|---|
bin | 1011101110101111111100… |
… | …1111010100101101111110 |
3 | 1200200000102001022011211010 |
4 | 2323223333033110231332 |
5 | 3142304120122422234 |
6 | 43233053335140050 |
7 | 2500555602240501 |
oct | 273537717245576 |
9 | 50600361264733 |
10 | 12897774029694 |
11 | 4122a08217214 |
12 | 1543812514626 |
13 | 727340c535a8 |
14 | 3283814c7138 |
15 | 175779d006e9 |
hex | bbaff3d4b7e |
12897774029694 has 32 divisors (see below), whose sum is σ = 27316221394176. Its totient is φ = 4045873345920.
The previous prime is 12897774029689. The next prime is 12897774029761. The reversal of 12897774029694 is 49692047779821.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6759592 + ... + 8455035.
It is an arithmetic number, because the mean of its divisors is an integer number (853631918568).
Almost surely, 212897774029694 is an apocalyptic number.
12897774029694 is an abundant number, since it is smaller than the sum of its proper divisors (14418447364482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12897774029694 is a wasteful number, since it uses less digits than its factorization.
12897774029694 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15222960.
The product of its (nonzero) digits is 768144384, while the sum is 75.
The spelling of 12897774029694 in words is "twelve trillion, eight hundred ninety-seven billion, seven hundred seventy-four million, twenty-nine thousand, six hundred ninety-four".
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