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210371420553700 = 225271225012453291
BaseRepresentation
bin101111110101010011101001…
…110010110000000111100100
31000120212022102000011101100111
4233311103221302300013210
5210033211132130204300
62023231144010022404
762211555625413220
oct5765235162600744
91016768360141314
10210371420553700
116103802259275a
121b717483117a04
13904cc2aa87563
1439d406140d780
15194c39b8569ba
hexbf54e9cb01e4

210371420553700 has 72 divisors (see below), whose sum is σ = 521725594549824. Its totient is φ = 72126726000000.

The previous prime is 210371420553649. The next prime is 210371420553709. The reversal of 210371420553700 is 7355024173012.

It is a happy number.

It is a super-2 number, since 2×2103714205537002 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210371420553709) 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, 84524055 + ... + 86977345.

It is an arithmetic number, because the mean of its divisors is an integer number (7246188813192).

Almost surely, 2210371420553700 is an apocalyptic number.

210371420553700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210371420553700 is an abundant number, since it is smaller than the sum of its proper divisors (311354173996124).

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

210371420553700 is a wasteful number, since it uses less digits than its factorization.

210371420553700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575813 (or 2575806 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 210371420553700 in words is "two hundred ten trillion, three hundred seventy-one billion, four hundred twenty million, five hundred fifty-three thousand, seven hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 122501 245002 490004 612505 857507 1225010 1715014 2450020 2453291 3062525 3430028 4287535 4906582 6125050 8575070 9813164 12250100 12266455 17150140 17173037 21437675 24532910 34346074 42875350 49065820 61332275 68692148 85750700 85865185 122664550 171730370 245329100 343460740 429325925 858651850 1717303700 300530600791 601061201582 1202122403164 1502653003955 2103714205537 3005306007910 4207428411074 6010612015820 7513265019775 8414856822148 10518571027685 15026530039550 21037142055370 30053060079100 42074284110740 52592855138425 105185710276850 210371420553700