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201632387040 = 253257431572963
BaseRepresentation
bin1011101111001000111…
…0100000111111100000
3201021110002220112112200
42323302032200333200
511300420342341130
6232343441453200
720365432003620
oct2736216407740
9637402815480
10201632387040
117856a2537a7
12330b2341200
1316024584576
149a8ac06880
1553a191e760
hex2ef23a0fe0

201632387040 has 576 divisors, whose sum is σ = 810052379136. Its totient is φ = 44713783296.

The previous prime is 201632387023. The next prime is 201632387087. The reversal of 201632387040 is 40783236102.

It is a happy number.

201632387040 is a `hidden beast` number, since 201 + 6 + 32 + 387 + 0 + 40 = 666.

201632387040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 201632386986 and 201632387004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68048599 + ... + 68051561.

It is an arithmetic number, because the mean of its divisors is an integer number (1406340936).

Almost surely, 2201632387040 is an apocalyptic number.

201632387040 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 201632387040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405026189568).

201632387040 is an abundant number, since it is smaller than the sum of its proper divisors (608419992096).

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

201632387040 is a wasteful number, since it uses less digits than its factorization.

201632387040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 201632387040 in words is "two hundred one billion, six hundred thirty-two million, three hundred eighty-seven thousand, forty".