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2303312023020 = 2235192081970903
BaseRepresentation
bin100001100001001000000…
…110000100110111101100
322011012020202221002011110
4201201020012010313230
5300214140334214040
64522043230152020
7325260135106251
oct41411006046754
98135222832143
102303312023020
11808913653a98
12312492652610
131392805c48c8
147d6a381b428
153edab316980
hex21848184dec

2303312023020 has 96 divisors (see below), whose sum is σ = 6791978350080. Its totient is φ = 581609134080.

The previous prime is 2303312022983. The next prime is 2303312023031. The reversal of 2303312023020 is 203202133032.

It is a super-3 number, since 3×23033120230203 (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1886889 + ... + 2857791.

It is an arithmetic number, because the mean of its divisors is an integer number (70749774480).

Almost surely, 22303312023020 is an apocalyptic number.

2303312023020 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 2303312023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3395989175040).

2303312023020 is an abundant number, since it is smaller than the sum of its proper divisors (4488666327060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2303312023020 is a wasteful number, since it uses less digits than its factorization.

2303312023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973015 (or 973013 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 2303312023020 its reverse (203202133032), we get a palindrome (2506514156052).

The spelling of 2303312023020 in words is "two trillion, three hundred three billion, three hundred twelve million, twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 2081 4162 6243 8324 10405 12486 20810 24972 31215 39539 41620 62430 79078 118617 124860 158156 197695 237234 395390 474468 593085 790780 970903 1186170 1941806 2372340 2912709 3883612 4854515 5825418 9709030 11650836 14563545 18447157 19418060 29127090 36894314 55341471 58254180 73788628 92235785 110682942 184471570 221365884 276707355 368943140 553414710 1106829420 2020449143 4040898286 6061347429 8081796572 10102245715 12122694858 20204491430 24245389716 30306737145 38388533717 40408982860 60613474290 76777067434 115165601151 121226948580 153554134868 191942668585 230331202302 383885337170 460662404604 575828005755 767770674340 1151656011510 2303312023020