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121301323300 = 225213118115113
BaseRepresentation
bin111000011111000011…
…1110100111000100100
3102121002200211200110201
41300332013310320210
53441411114321200
6131420340200244
711522650143613
oct1607607647044
9377080750421
10121301323300
1147497486623
121b613699084
13b591996761
145c2a0cd87a
15324e357c6a
hex1c3e1f4e24

121301323300 has 72 divisors (see below), whose sum is σ = 265431573792. Its totient is φ = 48114144000.

The previous prime is 121301323261. The next prime is 121301323343. The reversal of 121301323300 is 3323103121.

It is a super-2 number, since 2×1213013233002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23721544 + ... + 23726656.

It is an arithmetic number, because the mean of its divisors is an integer number (3686549636).

Almost surely, 2121301323300 is an apocalyptic number.

121301323300 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 121301323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132715786896).

121301323300 is an abundant number, since it is smaller than the sum of its proper divisors (144130250492).

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

121301323300 is a wasteful number, since it uses less digits than its factorization.

121301323300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069 (or 7062 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121301323300 its reverse (3323103121), we get a palindrome (124624426421).

The spelling of 121301323300 in words is "one hundred twenty-one billion, three hundred one million, three hundred twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 131 262 524 655 1310 1811 2620 3275 3622 5113 6550 7244 9055 10226 13100 18110 20452 25565 36220 45275 51130 90550 102260 127825 181100 237241 255650 474482 511300 669803 948964 1186205 1339606 2372410 2679212 3349015 4744820 5931025 6698030 9259643 11862050 13396060 16745075 18519286 23724100 33490150 37038572 46298215 66980300 92596430 185192860 231491075 462982150 925964300 1213013233 2426026466 4852052932 6065066165 12130132330 24260264660 30325330825 60650661650 121301323300