Base | Representation |
---|---|
bin | 10011001101011101… |
… | …111111111111101101 |
3 | 1222020112110100122121 |
4 | 103031131333333231 |
5 | 314221012002030 |
6 | 13250445312541 |
7 | 1330105066141 |
oct | 231535777755 |
9 | 58215410577 |
10 | 20627062765 |
11 | 8825491611 |
12 | 3bb7b65751 |
13 | 1c3958a5aa |
14 | dd96b5221 |
15 | 80ad3247a |
hex | 4cd77ffed |
20627062765 has 16 divisors (see below), whose sum is σ = 24944250240. Its totient is φ = 16373931840.
The previous prime is 20627062733. The next prime is 20627062801. The reversal of 20627062765 is 56726072602.
It is not a de Polignac number, because 20627062765 - 25 = 20627062733 is a prime.
It is a super-2 number, since 2×206270627652 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443355 + ... + 1457575.
It is an arithmetic number, because the mean of its divisors is an integer number (1559015640).
Almost surely, 220627062765 is an apocalyptic number.
It is an amenable number.
20627062765 is a deficient number, since it is larger than the sum of its proper divisors (4317187475).
20627062765 is a wasteful number, since it uses less digits than its factorization.
20627062765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16452.
The product of its (nonzero) digits is 423360, while the sum is 43.
The spelling of 20627062765 in words is "twenty billion, six hundred twenty-seven million, sixty-two thousand, seven hundred sixty-five".
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