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210200200000 = 26557289241
BaseRepresentation
bin1100001111000011101…
…0001000001101000000
3202002120012202112101121
43003300322020031000
511420442222400000
6240321543442024
721120646135300
oct3036072101500
9662505675347
10210200200000
118116659545a
12348a3756314
1316a8b63398b
14a260a79600
155703bcab1a
hex30f0e88340

210200200000 has 504 divisors, whose sum is σ = 615841130520. Its totient is φ = 70963200000.

The previous prime is 210200199991. The next prime is 210200200009. The reversal of 210200200000 is 2002012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210200199991) and next prime (210200200009).

It can be written as a sum of positive squares in 12 ways, for example, as 210196574784 + 3625216 = 458472^2 + 1904^2 .

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200200009) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 872199880 + ... + 872200120.

It is an arithmetic number, because the mean of its divisors is an integer number (1221907005).

Almost surely, 2210200200000 is an apocalyptic number.

210200200000 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 210200200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307920565260).

210200200000 is an abundant number, since it is smaller than the sum of its proper divisors (405640930520).

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

210200200000 is an frugal number, since it uses more digits than its factorization.

210200200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 210200200000 its reverse (2002012), we get a palindrome (210202202012).

The spelling of 210200200000 in words is "two hundred ten billion, two hundred million, two hundred thousand".