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201301024440 = 233519477325733
BaseRepresentation
bin1011101101111001111…
…0011101111010111000
3201020121000101120111210
42323132132131322320
511244231030240230
6232250523323120
720354266322115
oct2733636357270
9636530346453
10201301024440
117840a1a910a
123301b3804a0
1315ca0a25519
149a58bcb90c
1553827b7eb0
hex2ede79deb8

201301024440 has 256 divisors, whose sum is σ = 658131609600. Its totient is φ = 49089245184.

The previous prime is 201301024433. The next prime is 201301024549. The reversal of 201301024440 is 44420103102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7809814 + ... + 7835546.

It is an arithmetic number, because the mean of its divisors is an integer number (2570826600).

Almost surely, 2201301024440 is an apocalyptic number.

201301024440 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 201301024440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329065804800).

201301024440 is an abundant number, since it is smaller than the sum of its proper divisors (456830585160).

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

201301024440 is a wasteful number, since it uses less digits than its factorization.

201301024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25886 (or 25882 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201301024440 its reverse (44420103102), we get a palindrome (245721127542).

The spelling of 201301024440 in words is "two hundred one billion, three hundred one million, twenty-four thousand, four hundred forty".