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210031223100000 = 2535519347106189
BaseRepresentation
bin101111110000010110110100…
…011100011101001001100000
31000112122210022001122010112220
4233300112310130131021200
5210012122421103200000
62022411002321551040
762145153334646151
oct5760266434351140
91015583261563486
10210031223100000
1160a16817a34545
121b68155b7a5480
139026b230010b3
1439c17cb7c1928
1519435da1ab1a0
hexbf05b471d260

210031223100000 has 576 divisors, whose sum is σ = 727487675308800. Its totient is φ = 52907109120000.

The previous prime is 210031223099993. The next prime is 210031223100047. The reversal of 210031223100000 is 1322130012.

It is a super-2 number, since 2×2100312231000002 (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1977846906 + ... + 1977953094.

It is an arithmetic number, because the mean of its divisors is an integer number (1262999436300).

Almost surely, 2210031223100000 is an apocalyptic number.

210031223100000 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 210031223100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363743837654400).

210031223100000 is an abundant number, since it is smaller than the sum of its proper divisors (517456452208800).

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

210031223100000 is a wasteful number, since it uses less digits than its factorization.

210031223100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106593 (or 106565 counting only the distinct ones).

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

Adding to 210031223100000 its reverse (1322130012), we get a palindrome (210032545230012).

The spelling of 210031223100000 in words is "two hundred ten trillion, thirty-one billion, two hundred twenty-three million, one hundred thousand".