Base | Representation |
---|---|
bin | 10010001000110110100… |
… | …10011010001000000000 |
3 | 2012120122211120012001002 |
4 | 21010123102122020000 |
5 | 40202332341141402 |
6 | 1154150152231132 |
7 | 63012113113631 |
oct | 11043322321000 |
9 | 2176584505032 |
10 | 623228068352 |
11 | 220344aa70aa |
12 | a095199b4a8 |
13 | 46a02050656 |
14 | 2224317d888 |
15 | 113291cd602 |
hex | 911b49a200 |
623228068352 has 90 divisors (see below), whose sum is σ = 1259278865559. Its totient is φ = 308139648000.
The previous prime is 623228068303. The next prime is 623228068361. The reversal of 623228068352 is 253860822326.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 311614034176 + 311614034176 = 558224^2 + 558224^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=558224.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 623228068297 and 623228068306.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2482980227 + ... + 2482980477.
Almost surely, 2623228068352 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 623228068352
623228068352 is an abundant number, since it is smaller than the sum of its proper divisors (636050797207).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
623228068352 is an frugal number, since it uses more digits than its factorization.
623228068352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798 (or 392 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 47.
The spelling of 623228068352 in words is "six hundred twenty-three billion, two hundred twenty-eight million, sixty-eight thousand, three hundred fifty-two".
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