Base | Representation |
---|---|
bin | 111100001101001… |
… | …0010110100001001 |
3 | 12012210021200210200 |
4 | 1320122102310021 |
5 | 13114130034404 |
6 | 532243002413 |
7 | 101030031411 |
oct | 17032226411 |
9 | 5183250720 |
10 | 2020158729 |
11 | 947366176 |
12 | 484669409 |
13 | 2626b4ac4 |
14 | 152425641 |
15 | bc545839 |
hex | 78692d09 |
2020158729 has 24 divisors (see below), whose sum is σ = 2946207264. Its totient is φ = 1333800000.
The previous prime is 2020158719. The next prime is 2020158731. The reversal of 2020158729 is 9278510202.
It is not a de Polignac number, because 2020158729 - 216 = 2020093193 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2020158693 and 2020158702.
It is not an unprimeable number, because it can be changed into a prime (2020158719) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 707154 + ... + 710004.
It is an arithmetic number, because the mean of its divisors is an integer number (122758636).
Almost surely, 22020158729 is an apocalyptic number.
It is an amenable number.
2020158729 is a deficient number, since it is larger than the sum of its proper divisors (926048535).
2020158729 is a wasteful number, since it uses less digits than its factorization.
2020158729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3589 (or 3586 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 2020158729 is about 44946.1759107491. The cubic root of 2020158729 is about 1264.1399746262.
The spelling of 2020158729 in words is "two billion, twenty million, one hundred fifty-eight thousand, seven hundred twenty-nine".
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