Base | Representation |
---|---|
bin | 10010110110111001… |
… | …101011000010001010 |
3 | 1221021011000101012011 |
4 | 102312321223002022 |
5 | 312432100102340 |
6 | 13145122210134 |
7 | 1314526623412 |
oct | 226671530212 |
9 | 57234011164 |
10 | 20248440970 |
11 | 865079843a |
12 | 3b111b394a |
13 | 1ba8cc2824 |
14 | da12b7642 |
15 | 7d79930ea |
hex | 4b6e6b08a |
20248440970 has 16 divisors (see below), whose sum is σ = 36517159368. Its totient is φ = 8083828480.
The previous prime is 20248440967. The next prime is 20248441001. The reversal of 20248440970 is 7904484202.
It can be written as a sum of positive squares in 4 ways, for example, as 17699907681 + 2548533289 = 133041^2 + 50483^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938019 + ... + 1948438.
Almost surely, 220248440970 is an apocalyptic number.
20248440970 is a deficient number, since it is larger than the sum of its proper divisors (16268718398).
20248440970 is a wasteful number, since it uses less digits than its factorization.
20248440970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3886985.
The product of its (nonzero) digits is 129024, while the sum is 40.
The spelling of 20248440970 in words is "twenty billion, two hundred forty-eight million, four hundred forty thousand, nine hundred seventy".
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