Base | Representation |
---|---|
bin | 11011111111101011100000… |
… | …100011111011101011101100 |
3 | 121010221110202110210110102211 |
4 | 123333223200203323223230 |
5 | 112114223004301214040 |
6 | 1113510021351500204 |
7 | 34635236103303103 |
oct | 3377534043735354 |
9 | 533843673713384 |
10 | 123123300023020 |
11 | 3625a331055160 |
12 | 11986154087664 |
13 | 5391628a3387b |
14 | 22592b169303a |
15 | e37abd9098ea |
hex | 6ffae08fbaec |
123123300023020 has 48 divisors (see below), whose sum is σ = 282227993526528. Its totient is φ = 44746123988160.
The previous prime is 123123300022981. The next prime is 123123300023063. The reversal of 123123300023020 is 20320003321321.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 123123300022982 and 123123300023000.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162027024 + ... + 162785143.
It is an arithmetic number, because the mean of its divisors is an integer number (5879749865136).
Almost surely, 2123123300023020 is an apocalyptic number.
123123300023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123123300023020 is an abundant number, since it is smaller than the sum of its proper divisors (159104693503508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123123300023020 is a wasteful number, since it uses less digits than its factorization.
123123300023020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324813910 (or 324813908 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 123123300023020 its reverse (20320003321321), we get a palindrome (143443303344341).
The spelling of 123123300023020 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, three hundred million, twenty-three thousand, twenty".
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