Base | Representation |
---|---|
bin | 10111001111100001110110… |
… | …100101001111110001010100 |
3 | 111101221100101122120212201010 |
4 | 113033201312211033301110 |
5 | 101344302042021321322 |
6 | 1001224122511132220 |
7 | 30350211454043661 |
oct | 2717416645176124 |
9 | 441840348525633 |
10 | 102222211120212 |
11 | 2a631218282557 |
12 | b56b423814070 |
13 | 45066894ca161 |
14 | 1b3581d59ca68 |
15 | bc407ab5420c |
hex | 5cf87694fc54 |
102222211120212 has 96 divisors (see below), whose sum is σ = 252683671703680. Its totient is φ = 32073516034560.
The previous prime is 102222211120151. The next prime is 102222211120217. The reversal of 102222211120212 is 212021112222201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102222211120217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 887003058 + ... + 887118294.
Almost surely, 2102222211120212 is an apocalyptic number.
102222211120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102222211120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126341835851840).
102222211120212 is an abundant number, since it is smaller than the sum of its proper divisors (150461460583468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102222211120212 is a wasteful number, since it uses less digits than its factorization.
102222211120212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140201 (or 140199 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 102222211120212 its reverse (212021112222201), we get a palindrome (314243323342413).
The spelling of 102222211120212 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, two hundred twelve".
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