Base | Representation |
---|---|
bin | 1001001001100100110011… |
… | …11110000111011101110100 |
3 | 2122020110210000210211111011 |
4 | 10210302121332013131310 |
5 | 10114122142230341040 |
6 | 110443032531522004 |
7 | 4144431363201136 |
oct | 444623176073564 |
9 | 78213700724434 |
10 | 20120210012020 |
11 | 6457a2a023308 |
12 | 230b521759304 |
13 | b2c434b4c571 |
14 | 4d7b75431056 |
15 | 24d58d4c23ea |
hex | 124c99f87774 |
20120210012020 has 24 divisors (see below), whose sum is σ = 42329684998944. Its totient is φ = 8033370866976.
The previous prime is 20120210012017. The next prime is 20120210012033. The reversal of 20120210012020 is 2021001202102.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919559902 + ... + 919581781.
It is an arithmetic number, because the mean of its divisors is an integer number (1763736874956).
Almost surely, 220120210012020 is an apocalyptic number.
20120210012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20120210012020 is an abundant number, since it is smaller than the sum of its proper divisors (22209474986924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120210012020 is a wasteful number, since it uses less digits than its factorization.
20120210012020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1839142239 (or 1839142237 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20120210012020 its reverse (2021001202102), we get a palindrome (22141211214122).
The spelling of 20120210012020 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, twelve thousand, twenty".
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