Base | Representation |
---|---|
bin | 1001001011111010000000… |
… | …11100001001000111111000 |
3 | 2122112010112111102022002211 |
4 | 10211331000130021013320 |
5 | 10121430214422443222 |
6 | 110543521222104504 |
7 | 4153265366415256 |
oct | 445750034110770 |
9 | 78463474368084 |
10 | 20200312312312 |
11 | 64889a4752090 |
12 | 2322b5787b134 |
13 | b36b5c221ba2 |
14 | 4db9b39d95d6 |
15 | 2506ca94c277 |
hex | 125f407091f8 |
20200312312312 has 64 divisors (see below), whose sum is σ = 43135751340000. Its totient is φ = 8784007303680.
The previous prime is 20200312312289. The next prime is 20200312312319. The reversal of 20200312312312 is 21321321300202.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20200312312319) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36031387 + ... + 36587722.
Almost surely, 220200312312312 is an apocalyptic number.
20200312312312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20200312312312 is an abundant number, since it is smaller than the sum of its proper divisors (22935439027688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200312312312 is a wasteful number, since it uses less digits than its factorization.
20200312312312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72619264 (or 72619260 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 20200312312312 its reverse (21321321300202), we get a palindrome (41521633612514).
The spelling of 20200312312312 in words is "twenty trillion, two hundred billion, three hundred twelve million, three hundred twelve thousand, three hundred twelve".
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