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210888668928 = 2837313313823
BaseRepresentation
bin1100010001100111110…
…0011011011100000000
3202011100012020101012210
43010121330123130000
511423344444401203
6240514140022120
721144006052320
oct3043174333400
9664305211183
10210888668928
118148a179343
1234a56231940
1316b6b166642
14a2c8291280
155744371803
hex3119f1b700

210888668928 has 288 divisors, whose sum is σ = 664319229952. Its totient is φ = 58118860800.

The previous prime is 210888668899. The next prime is 210888668981. The reversal of 210888668928 is 829866888012.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 55161225 + ... + 55165047.

Almost surely, 2210888668928 is an apocalyptic number.

210888668928 is a gapful number since it is divisible by the number (28) 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 210888668928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332159614976).

210888668928 is an abundant number, since it is smaller than the sum of its proper divisors (453430561024).

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

210888668928 is a wasteful number, since it uses less digits than its factorization.

210888668928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211 (or 4197 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 66.

The spelling of 210888668928 in words is "two hundred ten billion, eight hundred eighty-eight million, six hundred sixty-eight thousand, nine hundred twenty-eight".