| Base | Representation |
|---|---|
| bin | 1011001100100011100001… |
| … | …0011111011110001111110 |
| 3 | 1121120212002102211021100200 |
| 4 | 2303020320103323301332 |
| 5 | 3103143014140120110 |
| 6 | 42103141114304330 |
| 7 | 2410251142114305 |
| oct | 263107023736176 |
| 9 | 47525072737320 |
| 10 | 12310321020030 |
| 11 | 3a16861317220 |
| 12 | 14699a57280a6 |
| 13 | 6b3b20886227 |
| 14 | 307b7376943c |
| 15 | 16534674e6c0 |
| hex | b32384fbc7e |
12310321020030 has 192 divisors, whose sum is σ = 37114328392128. Its totient is φ = 2797841940480.
The previous prime is 12310321019999. The next prime is 12310321020037. The reversal of 12310321020030 is 3002012301321.
12310321020030 is a `hidden beast` number, since 1 + 2 + 310 + 321 + 0 + 2 + 0 + 0 + 30 = 666.
It is a super-2 number, since 2×123103210200302 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12310321019985 and 12310321020012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12310321020037) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2902254 + ... + 5748366.
It is an arithmetic number, because the mean of its divisors is an integer number (193303793709).
Almost surely, 212310321020030 is an apocalyptic number.
12310321020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12310321020030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18557164196064).
12310321020030 is an abundant number, since it is smaller than the sum of its proper divisors (24804007372098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12310321020030 is a wasteful number, since it uses less digits than its factorization.
12310321020030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2846411 (or 2846408 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12310321020030 its reverse (3002012301321), we get a palindrome (15312333321351).
The spelling of 12310321020030 in words is "twelve trillion, three hundred ten billion, three hundred twenty-one million, twenty thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •