Base | Representation |
---|---|
bin | 1001001001100110100001… |
… | …10011100110011100100010 |
3 | 2122020120011010221011202220 |
4 | 10210303100303212130202 |
5 | 10114131033240032320 |
6 | 110443304114251510 |
7 | 4144463234035236 |
oct | 444632063463442 |
9 | 78216133834686 |
10 | 20121130002210 |
11 | 6458361369586 |
12 | 230b739886b96 |
13 | b2c550624a63 |
14 | 4d7c216b25c6 |
15 | 24d5e414be40 |
hex | 124cd0ce6722 |
20121130002210 has 64 divisors (see below), whose sum is σ = 48337763316480. Its totient is φ = 5360407603200.
The previous prime is 20121130002187. The next prime is 20121130002251. The reversal of 20121130002210 is 1220003112102.
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 20121130002210.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556567635 + ... + 556603785.
It is an arithmetic number, because the mean of its divisors is an integer number (755277551820).
Almost surely, 220121130002210 is an apocalyptic number.
20121130002210 is an abundant number, since it is smaller than the sum of its proper divisors (28216633314270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20121130002210 is a wasteful number, since it uses less digits than its factorization.
20121130002210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53723.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 20121130002210 its reverse (1220003112102), we get a palindrome (21341133114312).
The spelling of 20121130002210 in words is "twenty trillion, one hundred twenty-one billion, one hundred thirty million, two thousand, two hundred ten".
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