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201328512 = 2737112619
BaseRepresentation
bin11000000000000…
…00011110000000
3112000211112210120
430000000132000
5403020003022
631551100240
74663156410
oct1400003600
9460745716
10201328512
11a3710100
1257511680
1332930bc8
141ca4a640
1512a1cd5c
hexc000780

201328512 has 192 divisors, whose sum is σ = 672873600. Its totient is φ = 52208640.

The previous prime is 201328511. The next prime is 201328531. The reversal of 201328512 is 215823102.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201328511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324939 + ... + 325557.

It is an arithmetic number, because the mean of its divisors is an integer number (3504550).

Almost surely, 2201328512 is an apocalyptic number.

201328512 is a gapful number since it is divisible by the number (22) 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 201328512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336436800).

201328512 is an abundant number, since it is smaller than the sum of its proper divisors (471545088).

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

201328512 is a wasteful number, since it uses less digits than its factorization.

201328512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 201328512 is about 14189.0278736776. The cubic root of 201328512 is about 586.0955553231.

The spelling of 201328512 in words is "two hundred one million, three hundred twenty-eight thousand, five hundred twelve".