Base | Representation |
---|---|
bin | 10001110000010011110… |
… | …000001001010011110100 |
3 | 11022122022000100121101112 |
4 | 101300103300021103310 |
5 | 124442232114201322 |
6 | 2332301314214152 |
7 | 154102160510132 |
oct | 21602360112364 |
9 | 4278260317345 |
10 | 1220102100212 |
11 | 430495911556 |
12 | 178569884358 |
13 | 8b094190068 |
14 | 430a61ca752 |
15 | 21b0e8c35e2 |
hex | 11c13c094f4 |
1220102100212 has 48 divisors (see below), whose sum is σ = 2154612096000. Its totient is φ = 604529291520.
The previous prime is 1220102100193. The next prime is 1220102100241. The reversal of 1220102100212 is 2120012010221.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262441664 + ... + 262446312.
It is an arithmetic number, because the mean of its divisors is an integer number (44887752000).
Almost surely, 21220102100212 is an apocalyptic number.
It is an amenable number.
1220102100212 is a deficient number, since it is larger than the sum of its proper divisors (934509995788).
1220102100212 is a wasteful number, since it uses less digits than its factorization.
1220102100212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6176 (or 6174 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1220102100212 its reverse (2120012010221), we get a palindrome (3340114110433).
It can be divided in two parts, 122010 and 2100212, that added together give a palindrome (2222222).
The spelling of 1220102100212 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred thousand, two hundred twelve".
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