Search a number
-
+
230331200312120 = 23513215167843629
BaseRepresentation
bin110100010111110000101001…
…011000000001001100111000
31010012112110002101010220212012
4310113300221120001030320
5220142221244234441440
62133512405340505052
766341610602143445
oct6427605130011470
91105473071126765
10230331200312120
1167432a05943a16
12219bb890b4b188
139b6a1a649537b
1440c4137b2c9cc
151b9669a6ede65
hexd17c29601338

230331200312120 has 64 divisors (see below), whose sum is σ = 518738503363200. Its totient is φ = 92044809077760.

The previous prime is 230331200312099. The next prime is 230331200312197. The reversal of 230331200312120 is 21213002133032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272602466 + ... + 273446094.

It is an arithmetic number, because the mean of its divisors is an integer number (8105289115050).

Almost surely, 2230331200312120 is an apocalyptic number.

230331200312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230331200312120 is an abundant number, since it is smaller than the sum of its proper divisors (288407303051080).

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

230331200312120 is a wasteful number, since it uses less digits than its factorization.

230331200312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850128 (or 850124 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 230331200312120 its reverse (21213002133032), we get a palindrome (251544202445152).

The spelling of 230331200312120 in words is "two hundred thirty trillion, three hundred thirty-one billion, two hundred million, three hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1321 2642 5167 5284 6605 10334 10568 13210 20668 25835 26420 41336 51670 52840 103340 206680 843629 1687258 3374516 4218145 6749032 6825607 8436290 13651214 16872580 27302428 33745160 34128035 54604856 68256070 136512140 273024280 1114433909 2228867818 4359031043 4457735636 5572169545 8718062086 8915471272 11144339090 17436124172 21795155215 22288678180 34872248344 43590310430 44577356360 87180620860 174361241720 5758280007803 11516560015606 23033120031212 28791400039015 46066240062424 57582800078030 115165600156060 230331200312120