Base | Representation |
---|---|
bin | 1001010000010110011101… |
… | …11000100011000101011000 |
3 | 2200001201201101010100110100 |
4 | 10220023032320203011120 |
5 | 10131430444122304322 |
6 | 111142015010015400 |
7 | 4200312646232340 |
oct | 450131670430530 |
9 | 80051641110410 |
10 | 20353025978712 |
11 | 6537740620a39 |
12 | 2348677277560 |
13 | b48388a613bb |
14 | 50513d939d20 |
15 | 2546678b0dac |
hex | 1282cee23158 |
20353025978712 has 48 divisors (see below), whose sum is σ = 62997461364240. Its totient is φ = 5815150279488.
The previous prime is 20353025978591. The next prime is 20353025978737. The reversal of 20353025978712 is 21787952035302.
20353025978712 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 30 + 2 + 597 + 8 + 7 + 12 = 666.
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 11 ways as a sum of consecutive naturals, for example, 20191493523 + ... + 20191494530.
It is an arithmetic number, because the mean of its divisors is an integer number (1312447111755).
Almost surely, 220353025978712 is an apocalyptic number.
It is an amenable number.
20353025978712 is an abundant number, since it is smaller than the sum of its proper divisors (42644435385528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20353025978712 is a wasteful number, since it uses less digits than its factorization.
20353025978712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40382988072 (or 40382988065 counting only the distinct ones).
The product of its (nonzero) digits is 6350400, while the sum is 54.
The spelling of 20353025978712 in words is "twenty trillion, three hundred fifty-three billion, twenty-five million, nine hundred seventy-eight thousand, seven hundred twelve".
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