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201342502240 = 25511831578779
BaseRepresentation
bin1011101110000011110…
…0101100010101100000
3201020200220102212100121
42323200330230111200
511244322140032430
6232255004330024
720355312013465
oct2734074542540
9636626385317
10201342502240
1178430658a90
1233031243914
1315ca94b88b9
149a6050766c
15538625ca7a
hex2ee0f2c560

201342502240 has 192 divisors, whose sum is σ = 528571733760. Its totient is φ = 71864432640.

The previous prime is 201342502211. The next prime is 201342502243. The reversal of 201342502240 is 42205243102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201342502243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22930171 + ... + 22938949.

It is an arithmetic number, because the mean of its divisors is an integer number (2752977780).

Almost surely, 2201342502240 is an apocalyptic number.

201342502240 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 201342502240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264285866880).

201342502240 is an abundant number, since it is smaller than the sum of its proper divisors (327229231520).

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

201342502240 is a wasteful number, since it uses less digits than its factorization.

201342502240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045 (or 9037 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 201342502240 its reverse (42205243102), we get a palindrome (243547745342).

The spelling of 201342502240 in words is "two hundred one billion, three hundred forty-two million, five hundred two thousand, two hundred forty".