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211231030200000 = 263553128340129
BaseRepresentation
bin110000000001110100001110…
…100001010100011011000000
31000200220111012200100220110220
4300001310032201110123000
5210141302122212400000
62025130110132023040
762330636562015426
oct6001641641243300
91020814180326426
10211231030200000
1161339638847a48
121b835ba4761a80
1390b3001649395
143a238ca455116
15196490ce911a0
hexc01d0e8546c0

211231030200000 has 672 divisors, whose sum is σ = 723658102917120. Its totient is φ = 54317260800000.

The previous prime is 211231030199953. The next prime is 211231030200017. The reversal of 211231030200000 is 2030132112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5263779936 + ... + 5263820064.

It is an arithmetic number, because the mean of its divisors is an integer number (1076872176960).

Almost surely, 2211231030200000 is an apocalyptic number.

211231030200000 is a gapful number since it is divisible by the number (20) 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 211231030200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361829051458560).

211231030200000 is an abundant number, since it is smaller than the sum of its proper divisors (512427072717120).

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

211231030200000 is an equidigital number, since it uses as much as digits as its factorization.

211231030200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40483 (or 40453 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 211231030200000 its reverse (2030132112), we get a palindrome (211233060332112).

The spelling of 211231030200000 in words is "two hundred eleven trillion, two hundred thirty-one billion, thirty million, two hundred thousand".