Base | Representation |
---|---|
bin | 10011001010101010… |
… | …110000110111110010 |
3 | 1222010021001020100122 |
4 | 103022222300313302 |
5 | 314121444431132 |
6 | 13242050250242 |
7 | 1325664524420 |
oct | 231252606762 |
9 | 58107036318 |
10 | 20580077042 |
11 | 8800a0a538 |
12 | 3ba4286982 |
13 | 1c2c9191a5 |
14 | dd3364110 |
15 | 806b50912 |
hex | 4caab0df2 |
20580077042 has 16 divisors (see below), whose sum is σ = 35282060352. Its totient is φ = 8819550960.
The previous prime is 20580077033. The next prime is 20580077053. The reversal of 20580077042 is 24077008502.
It is a junction number, because it is equal to n+sod(n) for n = 20580076993 and 20580077011.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368453 + ... + 420615.
It is an arithmetic number, because the mean of its divisors is an integer number (2205128772).
Almost surely, 220580077042 is an apocalyptic number.
20580077042 is a deficient number, since it is larger than the sum of its proper divisors (14701983310).
20580077042 is a wasteful number, since it uses less digits than its factorization.
20580077042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80353.
The product of its (nonzero) digits is 31360, while the sum is 35.
The spelling of 20580077042 in words is "twenty billion, five hundred eighty million, seventy-seven thousand, forty-two".
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