Base | Representation |
---|---|
bin | 10011000011000100… |
… | …101100111101101000 |
3 | 1221210101021201201200 |
4 | 103003010230331220 |
5 | 313341340042143 |
6 | 13221255244200 |
7 | 1322556506403 |
oct | 230304547550 |
9 | 57711251650 |
10 | 20452659048 |
11 | 8745aa1508 |
12 | 3b69679660 |
13 | 1c0c3c5a23 |
14 | dc0476d3a |
15 | 7ea8821d3 |
hex | 4c312cf68 |
20452659048 has 48 divisors (see below), whose sum is σ = 55791153600. Its totient is φ = 6768502560.
The previous prime is 20452659001. The next prime is 20452659049. The reversal of 20452659048 is 84095625402.
20452659048 is a `hidden beast` number, since 2 + 0 + 4 + 52 + 6 + 590 + 4 + 8 = 666.
It is a super-2 number, since 2×204526590482 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20452658994 and 20452659012.
It is not an unprimeable number, because it can be changed into a prime (20452659049) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011808 + ... + 1031823.
It is an arithmetic number, because the mean of its divisors is an integer number (1162315700).
Almost surely, 220452659048 is an apocalyptic number.
It is an amenable number.
20452659048 is an abundant number, since it is smaller than the sum of its proper divisors (35338494552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20452659048 is a wasteful number, since it uses less digits than its factorization.
20452659048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2043782 (or 2043775 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 45.
The spelling of 20452659048 in words is "twenty billion, four hundred fifty-two million, six hundred fifty-nine thousand, forty-eight".
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