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210202222202120 = 23519926407314347
BaseRepresentation
bin101111110010110110000100…
…110010010000110100001000
31000120021010200021121120010102
4233302312010302100310020
5210022423122340431440
62023021322350104532
762163416010225401
oct5762660462206410
91016233607546112
10210202222202120
1160a82297521945
121b6aa722aab148
139039ca4c3c765
1439c9bb00109a8
151947c975abb15
hexbf2d84c90d08

210202222202120 has 32 divisors (see below), whose sum is σ = 475331658264000. Its totient is φ = 83658371848128.

The previous prime is 210202222202051. The next prime is 210202222202129. The reversal of 210202222202120 is 21202222202012.

It is a super-3 number, since 3×2102022222021203 (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210202222202092 and 210202222202101.

It is not an unprimeable number, because it can be changed into a prime (210202222202129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13203649214 + ... + 13203665133.

It is an arithmetic number, because the mean of its divisors is an integer number (14854114320750).

Almost surely, 2210202222202120 is an apocalyptic number.

210202222202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202222202120 is an abundant number, since it is smaller than the sum of its proper divisors (265129436061880).

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

210202222202120 is a wasteful number, since it uses less digits than its factorization.

210202222202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26407314557 (or 26407314553 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 210202222202120 its reverse (21202222202012), we get a palindrome (231404444404132).

The spelling of 210202222202120 in words is "two hundred ten trillion, two hundred two billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 199 398 796 995 1592 1990 3980 7960 26407314347 52814628694 105629257388 132036571735 211258514776 264073143470 528146286940 1056292573880 5255055555053 10510111110106 21020222220212 26275277775265 42040444440424 52550555550530 105101111101060 210202222202120