Base | Representation |
---|---|
bin | 10010111001111011… |
… | …011110010111111000 |
3 | 1221101200121111021200 |
4 | 102321323132113320 |
5 | 313033101320143 |
6 | 13154135134200 |
7 | 1316014510305 |
oct | 227173362770 |
9 | 57350544250 |
10 | 20299245048 |
11 | 8677438285 |
12 | 3b26214360 |
13 | 1bb669cc04 |
14 | da7d400ac |
15 | 7dc17b1d3 |
hex | 4b9ede5f8 |
20299245048 has 24 divisors (see below), whose sum is σ = 54977122200. Its totient is φ = 6766414992.
The previous prime is 20299245013. The next prime is 20299245053. The reversal of 20299245048 is 84054299202.
It is a tau number, because it is divible by the number of its divisors (24).
It is a junction number, because it is equal to n+sod(n) for n = 20299244994 and 20299245012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140966908 + ... + 140967051.
It is an arithmetic number, because the mean of its divisors is an integer number (2290713425).
Almost surely, 220299245048 is an apocalyptic number.
It is an amenable number.
20299245048 is an abundant number, since it is smaller than the sum of its proper divisors (34677877152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20299245048 is a wasteful number, since it uses less digits than its factorization.
20299245048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281933971 (or 281933964 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The spelling of 20299245048 in words is "twenty billion, two hundred ninety-nine million, two hundred forty-five thousand, forty-eight".
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