Base | Representation |
---|---|
bin | 10010101000101101… |
… | …010111010000011010 |
3 | 1220122112222020202020 |
4 | 102220231113100122 |
5 | 311440121130320 |
6 | 13105334515310 |
7 | 1305606011610 |
oct | 225055272032 |
9 | 56575866666 |
10 | 20010333210 |
11 | 853934756a |
12 | 3a65505b36 |
13 | 1b6b88506a |
14 | d7b8156b0 |
15 | 7c1b0c940 |
hex | 4a8b5741a |
20010333210 has 128 divisors (see below), whose sum is σ = 57741465600. Its totient is φ = 4341146880.
The previous prime is 20010333179. The next prime is 20010333263. The reversal of 20010333210 is 1233301002.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20010333210.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 331465 + ... + 387155.
It is an arithmetic number, because the mean of its divisors is an integer number (451105200).
Almost surely, 220010333210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20010333210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28870732800).
20010333210 is an abundant number, since it is smaller than the sum of its proper divisors (37731132390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010333210 is a wasteful number, since it uses less digits than its factorization.
20010333210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55796.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20010333210 its reverse (1233301002), we get a palindrome (21243634212).
It can be divided in two parts, 20010 and 333210, that added together give a triangular number (353220 = T840).
The spelling of 20010333210 in words is "twenty billion, ten million, three hundred thirty-three thousand, two hundred ten".
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