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210201329988 = 223413215125423
BaseRepresentation
bin1100001111000011111…
…0011100000101000100
3202002120021212221110000
43003300332130011010
511420443020024423
6240322024001300
721120661552566
oct3036076340504
9662507787400
10210201329988
1181167197431
12348a4000230
1316a8b93b100
14a260c91336
155703d50843
hex30f0f9c144

210201329988 has 180 divisors, whose sum is σ = 598993304448. Its totient is φ = 64246478400.

The previous prime is 210201329971. The next prime is 210201330007. The reversal of 210201329988 is 889923102012.

It is a happy number.

210201329988 is a `hidden beast` number, since 210 + 20 + 1 + 329 + 98 + 8 = 666.

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 59 ways as a sum of consecutive naturals, for example, 8255445 + ... + 8280867.

Almost surely, 2210201329988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210201329988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299496652224).

210201329988 is an abundant number, since it is smaller than the sum of its proper divisors (388791974460).

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

210201329988 is a wasteful number, since it uses less digits than its factorization.

210201329988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25616 (or 25592 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 210201329988 in words is "two hundred ten billion, two hundred one million, three hundred twenty-nine thousand, nine hundred eighty-eight".