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12310102300 = 2252163773977
BaseRepresentation
bin10110111011011110…
…10100000100011100
31011202220121222201211
423131233110010130
5200202341233200
65353304114204
7614025100036
oct133557240434
934686558654
1012310102300
115247806071
122476765964
13121248b902
1484aca0c56
154c0ac7aba
hex2ddbd411c

12310102300 has 72 divisors (see below), whose sum is σ = 26939119536. Its totient is φ = 4882498560.

The previous prime is 12310102291. The next prime is 12310102303. The reversal of 12310102300 is 320101321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310102303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12599412 + ... + 12600388.

It is an arithmetic number, because the mean of its divisors is an integer number (374154438).

Almost surely, 212310102300 is an apocalyptic number.

12310102300 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 12310102300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13469559768).

12310102300 is an abundant number, since it is smaller than the sum of its proper divisors (14629017236).

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

12310102300 is a wasteful number, since it uses less digits than its factorization.

12310102300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12310102300 its reverse (320101321), we get a palindrome (12630203621).

The spelling of 12310102300 in words is "twelve billion, three hundred ten million, one hundred two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 163 326 652 773 815 977 1546 1630 1954 3092 3260 3865 3908 4075 4885 7730 8150 9770 15460 16300 19325 19540 24425 38650 48850 77300 97700 125999 159251 251998 318502 503996 629995 637004 755221 796255 1259990 1510442 1592510 2519980 3020884 3149975 3185020 3776105 3981275 6299950 7552210 7962550 12599900 15104420 15925100 18880525 37761050 75522100 123101023 246202046 492404092 615505115 1231010230 2462020460 3077525575 6155051150 12310102300