Base | Representation |
---|---|
bin | 10010111010000011… |
… | …010100110110100100 |
3 | 1221101211111001112200 |
4 | 102322003110312210 |
5 | 313034113200304 |
6 | 13154251214500 |
7 | 1316041141620 |
oct | 227203246644 |
9 | 57354431480 |
10 | 20301303204 |
11 | 8678613636 |
12 | 3b26a47430 |
13 | 1bb6c40960 |
14 | da8318180 |
15 | 7dc435e39 |
hex | 4ba0d4da4 |
20301303204 has 144 divisors (see below), whose sum is σ = 63276420480. Its totient is φ = 5344289280.
The previous prime is 20301303181. The next prime is 20301303271. The reversal of 20301303204 is 40230310302.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1858599 + ... + 1869489.
Almost surely, 220301303204 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20301303204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31638210240).
20301303204 is an abundant number, since it is smaller than the sum of its proper divisors (42975117276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301303204 is a wasteful number, since it uses less digits than its factorization.
20301303204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11490 (or 11485 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20301303204 its reverse (40230310302), we get a palindrome (60531613506).
The spelling of 20301303204 in words is "twenty billion, three hundred one million, three hundred three thousand, two hundred four".
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