| Base | Representation |
|---|---|
| bin | 11110111001001101011… |
| … | …000001011111101110000 |
| 3 | 21111221212100200110022001 |
| 4 | 132321031120023331300 |
| 5 | 234240412034432240 |
| 6 | 4303144231423344 |
| 7 | 306245134336666 |
| oct | 36711530137560 |
| 9 | 7457770613261 |
| 10 | 2123012030320 |
| 11 | 749400a42965 |
| 12 | 2a3554524b54 |
| 13 | 1252787859ac |
| 14 | 74a7bc50c36 |
| 15 | 3a35760189a |
| hex | 1ee4d60bf70 |
2123012030320 has 320 divisors, whose sum is σ = 5314448424960. Its totient is φ = 786433536000.
The previous prime is 2123012030317. The next prime is 2123012030323. The reversal of 2123012030320 is 230302103212.
It is an interprime number because it is at equal distance from previous prime (2123012030317) and next prime (2123012030323).
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123012030323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5042783710 + ... + 5042784130.
It is an arithmetic number, because the mean of its divisors is an integer number (16607651328).
Almost surely, 22123012030320 is an apocalyptic number.
2123012030320 is a gapful number since it is divisible by the number (20) 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 2123012030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2657224212480).
2123012030320 is an abundant number, since it is smaller than the sum of its proper divisors (3191436394640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123012030320 is a wasteful number, since it uses less digits than its factorization.
2123012030320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 904 (or 898 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 2123012030320 its reverse (230302103212), we get a palindrome (2353314133532).
The spelling of 2123012030320 in words is "two trillion, one hundred twenty-three billion, twelve million, thirty thousand, three hundred twenty".
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