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216301670030800 = 245231711733141769
BaseRepresentation
bin110001001011100110101000…
…001101001101110111010000
31001100212020102021210020121201
4301023212220031031313100
5211322341310011441200
62044011340533200544
763363165011311264
oct6113465015156720
91040766367706551
10216301670030800
1162a14028839962
1220314867790154
13939021058b3a3
143b5b0b17a80a4
151a0178205cc6a
hexc4b9a834ddd0

216301670030800 has 240 divisors, whose sum is σ = 544301203921920. Its totient is φ = 82502171136000.

The previous prime is 216301670030777. The next prime is 216301670030861. The reversal of 216301670030800 is 8030076103612.

It is a super-2 number, since 2×2163016700308002 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 216301670030800.

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 47 ways as a sum of consecutive naturals, for example, 1525662316 + ... + 1525804084.

It is an arithmetic number, because the mean of its divisors is an integer number (2267921683008).

Almost surely, 2216301670030800 is an apocalyptic number.

216301670030800 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 216301670030800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272150601960960).

216301670030800 is an abundant number, since it is smaller than the sum of its proper divisors (327999533891120).

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

216301670030800 is a wasteful number, since it uses less digits than its factorization.

216301670030800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143622 (or 143611 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 216301670030800 in words is "two hundred sixteen trillion, three hundred one billion, six hundred seventy million, thirty thousand, eight hundred".