Base | Representation |
---|---|
bin | 11101000110110110100… |
… | …101101101011001010100 |
3 | 21002012220222201002110100 |
4 | 131012312211231121110 |
5 | 230232424110144340 |
6 | 4130520111254100 |
7 | 264340252042266 |
oct | 35066645553124 |
9 | 7065828632410 |
10 | 2000223131220 |
11 | 7013208a2656 |
12 | 2837a681a330 |
13 | 11680a85a092 |
14 | 6cb50373b36 |
15 | 3706c8a5830 |
hex | 1d1b696d654 |
2000223131220 has 72 divisors (see below), whose sum is σ = 6072163362720. Its totient is φ = 532969110720.
The previous prime is 2000223131131. The next prime is 2000223131237. The reversal of 2000223131220 is 221313220002.
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 = 2000223131193 and 2000223131202.
It is a congruent number.
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, 4186546 + ... + 4639785.
It is an arithmetic number, because the mean of its divisors is an integer number (84335602260).
Almost surely, 22000223131220 is an apocalyptic number.
2000223131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2000223131220 is an abundant number, since it is smaller than the sum of its proper divisors (4071940231500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2000223131220 is a wasteful number, since it uses less digits than its factorization.
2000223131220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8827605 (or 8827600 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 2000223131220 its reverse (221313220002), we get a palindrome (2221536351222).
The spelling of 2000223131220 in words is "two trillion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty".
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