| Base | Representation |
|---|---|
| bin | 10000010101111000001… |
| … | …001111011000001010100 |
| 3 | 10222100122222000021011002 |
| 4 | 100111320021323001110 |
| 5 | 121344402044044340 |
| 6 | 2215522233202432 |
| 7 | 144064021213460 |
| oct | 20257011730124 |
| 9 | 3870588007132 |
| 10 | 1123002331220 |
| 11 | 3a32985a2990 |
| 12 | 16178b260418 |
| 13 | 81b8b4a2553 |
| 14 | 3c4d44014a0 |
| 15 | 1e32a0c1715 |
| hex | 1057827b054 |
1123002331220 has 192 divisors, whose sum is σ = 3114276802560. Its totient is φ = 329320704000.
The previous prime is 1123002331211. The next prime is 1123002331247. The reversal of 1123002331220 is 221332003211.
It is a super-2 number, since 2×11230023312202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1123002331192 and 1123002331201.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98928545 + ... + 98939895.
It is an arithmetic number, because the mean of its divisors is an integer number (16220191680).
Almost surely, 21123002331220 is an apocalyptic number.
1123002331220 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 1123002331220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557138401280).
1123002331220 is an abundant number, since it is smaller than the sum of its proper divisors (1991274471340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1123002331220 is a wasteful number, since it uses less digits than its factorization.
1123002331220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15174 (or 15172 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 1123002331220 its reverse (221332003211), we get a palindrome (1344334334431).
The spelling of 1123002331220 in words is "one trillion, one hundred twenty-three billion, two million, three hundred thirty-one thousand, two hundred twenty".
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