Base | Representation |
---|---|
bin | 11011100101001010101111… |
… | …100001101111010111110100 |
3 | 120220111022010220121110110120 |
4 | 123211022233201233113310 |
5 | 111344400242233344340 |
6 | 1105553033220051540 |
7 | 34356511023136353 |
oct | 3345125741572764 |
9 | 526438126543416 |
10 | 121301411231220 |
11 | 357177043562a0 |
12 | 11731039233bb0 |
13 | 528b89ba0596c |
14 | 21d503bc1199a |
15 | e054dc3dd4d0 |
hex | 6e52af86f5f4 |
121301411231220 has 48 divisors (see below), whose sum is σ = 370520674308288. Its totient is φ = 29406402722560.
The previous prime is 121301411231207. The next prime is 121301411231239. The reversal of 121301411231220 is 22132114103121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91895007849 + ... + 91895009168.
It is an arithmetic number, because the mean of its divisors is an integer number (7719180714756).
Almost surely, 2121301411231220 is an apocalyptic number.
121301411231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121301411231220 is an abundant number, since it is smaller than the sum of its proper divisors (249219263077068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121301411231220 is a wasteful number, since it uses less digits than its factorization.
121301411231220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183790017040 (or 183790017038 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 24.
Adding to 121301411231220 its reverse (22132114103121), we get a palindrome (143433525334341).
The spelling of 121301411231220 in words is "one hundred twenty-one trillion, three hundred one billion, four hundred eleven million, two hundred thirty-one thousand, two hundred twenty".
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