Base | Representation |
---|---|
bin | 101110001101000111111100… |
… | …111111101010011110010000 |
3 | 222122111212202220221021200021 |
4 | 232031013330333222132100 |
5 | 203113411220222114440 |
6 | 2000110152511233224 |
7 | 60542404411610404 |
oct | 5615077477523620 |
9 | 878455686837607 |
10 | 203212032223120 |
11 | 59827814510578 |
12 | 1a95ba2a518814 |
13 | 8950a73b455ab |
14 | 382772ca07104 |
15 | 187602824084a |
hex | b8d1fcfea790 |
203212032223120 has 40 divisors (see below), whose sum is σ = 472474279320120. Its totient is φ = 81283728261120.
The previous prime is 203212032223111. The next prime is 203212032223147. The reversal of 203212032223120 is 21322230212302.
It can be written as a sum of positive squares in 4 ways, for example, as 98125586858896 + 105086445364224 = 9905836^2 + 10251168^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×2032120322231202 (a number of 29 digits) contains 22 as substring.
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, 10901041 + ... + 22918480.
It is an arithmetic number, because the mean of its divisors is an integer number (11811856983003).
Almost surely, 2203212032223120 is an apocalyptic number.
203212032223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
203212032223120 is an abundant number, since it is smaller than the sum of its proper divisors (269262247097000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203212032223120 is a wasteful number, since it uses less digits than its factorization.
203212032223120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33894643 (or 33894637 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 203212032223120 its reverse (21322230212302), we get a palindrome (224534262435422).
The spelling of 203212032223120 in words is "two hundred three trillion, two hundred twelve billion, thirty-two million, two hundred twenty-three thousand, one hundred twenty".
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