Base | Representation |
---|---|
bin | 1011100101100100101011… |
… | …01101000111001011000000 |
3 | 10100012212222222001002020100 |
4 | 11302302111231013023000 |
5 | 11314432031423142122 |
6 | 130105245130242400 |
7 | 5236613352213150 |
oct | 562622555071300 |
9 | 110185888032210 |
10 | 25480257630912 |
11 | 8134131188987 |
12 | 2a362b2886400 |
13 | 112aa16302c66 |
14 | 641372c46760 |
15 | 2e2beedaeaac |
hex | 172c95b472c0 |
25480257630912 has 168 divisors, whose sum is σ = 83471071555872. Its totient is φ = 7279811481600.
The previous prime is 25480257630889. The next prime is 25480257630973. The reversal of 25480257630912 is 21903675208452.
25480257630912 is a `hidden beast` number, since 2 + 5 + 4 + 80 + 257 + 6 + 309 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (168).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130462612 + ... + 130657772.
It is an arithmetic number, because the mean of its divisors is an integer number (496851616404).
It is a 1-persistent number, because it is pandigital, but 2⋅25480257630912 = 50960515261824 is not.
Almost surely, 225480257630912 is an apocalyptic number.
It is an amenable number.
25480257630912 is an abundant number, since it is smaller than the sum of its proper divisors (57990813924960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25480257630912 is a wasteful number, since it uses less digits than its factorization.
25480257630912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227567 (or 227554 counting only the distinct ones).
The product of its (nonzero) digits is 7257600, while the sum is 54.
The spelling of 25480257630912 in words is "twenty-five trillion, four hundred eighty billion, two hundred fifty-seven million, six hundred thirty thousand, nine hundred twelve".
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