Base | Representation |
---|---|
bin | 1100010110111111101… |
… | …0100110011001101000 |
3 | 202022001201021220210200 |
4 | 3011233322212121220 |
5 | 11434323220430440 |
6 | 241313222512200 |
7 | 21224521656066 |
oct | 3055772463150 |
9 | 668051256720 |
10 | 212331030120 |
11 | 8205a370690 |
12 | 35199295660 |
13 | 1703ac275c1 |
14 | a3c3a6d036 |
15 | 57cacd2c30 |
hex | 316fea6668 |
212331030120 has 96 divisors (see below), whose sum is σ = 752810029920. Its totient is φ = 51474188160.
The previous prime is 212331030113. The next prime is 212331030181. The reversal of 212331030120 is 21030133212.
212331030120 is a `hidden beast` number, since 2 + 12 + 331 + 0 + 301 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 212331030093 and 212331030102.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26805514 + ... + 26813433.
It is an arithmetic number, because the mean of its divisors is an integer number (7841771145).
Almost surely, 2212331030120 is an apocalyptic number.
212331030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212331030120 is an abundant number, since it is smaller than the sum of its proper divisors (540478999800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212331030120 is a wasteful number, since it uses less digits than its factorization.
212331030120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53618975 (or 53618968 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 212331030120 its reverse (21030133212), we get a palindrome (233361163332).
The spelling of 212331030120 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, one hundred twenty".
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