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202141124640 = 25355713193197
BaseRepresentation
bin1011110001000010001…
…1001100100000100000
3201022202120012002100000
42330100203030200200
511302441111442030
6232510133500000
720414150131620
oct2742043144040
9638676162300
10202141124640
11788004388a4
12332147a1600
13160a5aa8730
149ad85d4880
1553d1411860
hex2f108cc820

202141124640 has 2304 divisors, whose sum is σ = 966534266880. Its totient is φ = 38698352640.

The previous prime is 202141124597. The next prime is 202141124651. The reversal of 202141124640 is 46421141202.

202141124640 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 4 + 1 + 12 + 4 + 640 = 666.

It is a super-2 number, since 2×2021411246402 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2083929072 + ... + 2083929168.

It is an arithmetic number, because the mean of its divisors is an integer number (419502720).

Almost surely, 2202141124640 is an apocalyptic number.

202141124640 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 202141124640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483267133440).

202141124640 is an abundant number, since it is smaller than the sum of its proper divisors (764393142240).

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

202141124640 is a wasteful number, since it uses less digits than its factorization.

202141124640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 202141124640 its reverse (46421141202), we get a palindrome (248562265842).

The spelling of 202141124640 in words is "two hundred two billion, one hundred forty-one million, one hundred twenty-four thousand, six hundred forty".