| Base | Representation |
|---|---|
| bin | 11011111111010110000101… |
| … | …101101101100101101110100 |
| 3 | 121010212021101122010001110220 |
| 4 | 123333112011231230231310 |
| 5 | 112113333404030120040 |
| 6 | 1113451255251214340 |
| 7 | 34633463134065162 |
| oct | 3377260555545564 |
| 9 | 533767348101426 |
| 10 | 123100301020020 |
| 11 | 362505a9786865 |
| 12 | 119817b58a73b0 |
| 13 | 538c401c3345c |
| 14 | 225812cd84232 |
| 15 | e371c47452d0 |
| hex | 6ff585b6cb74 |
123100301020020 has 384 divisors, whose sum is σ = 376656329871360. Its totient is φ = 29934627287040.
The previous prime is 123100301020009. The next prime is 123100301020027. The reversal of 123100301020020 is 20020103001321.
It is a super-2 number, since 2×1231003010200202 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123100301020027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9442372942 + ... + 9442385978.
It is an arithmetic number, because the mean of its divisors is an integer number (980875859040).
Almost surely, 2123100301020020 is an apocalyptic number.
123100301020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123100301020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188328164935680).
123100301020020 is an abundant number, since it is smaller than the sum of its proper divisors (253556028851340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123100301020020 is a wasteful number, since it uses less digits than its factorization.
123100301020020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15895 (or 15893 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 123100301020020 its reverse (20020103001321), we get a palindrome (143120404021341).
The spelling of 123100301020020 in words is "one hundred twenty-three trillion, one hundred billion, three hundred one million, twenty thousand, twenty".
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