Base | Representation |
---|---|
bin | 10010110100101111… |
… | …011101110110110000 |
3 | 1221011121211201011212 |
4 | 102310233131312300 |
5 | 312343311223440 |
6 | 13141345455252 |
7 | 1313606650133 |
oct | 226457356660 |
9 | 57147751155 |
10 | 20212211120 |
11 | 86322a2412 |
12 | 3b01041528 |
13 | 1ba164904a |
14 | d9a56621a |
15 | 7d46d8465 |
hex | 4b4bdddb0 |
20212211120 has 40 divisors (see below), whose sum is σ = 47057638416. Its totient is φ = 8073831168.
The previous prime is 20212211111. The next prime is 20212211161. The reversal of 20212211120 is 2111221202.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 20212211095 and 20212211104.
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, 113702 + ... + 230981.
Almost surely, 220212211120 is an apocalyptic number.
20212211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20212211120 is an abundant number, since it is smaller than the sum of its proper divisors (26845427296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212211120 is a wasteful number, since it uses less digits than its factorization.
20212211120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345429 (or 345423 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 20212211120 its reverse (2111221202), we get a palindrome (22323432322).
The spelling of 20212211120 in words is "twenty billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty".
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