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8101738241 = 61132815381
BaseRepresentation
bin1111000101110011…
…01011011100000001
3202220121211221112022
413202321223130001
5113043021110431
63415532211225
7404524432052
oct74271533401
922817757468
108101738241
113488246943
1216a1309b15
139c1644b6c
1456bdcc729
153263e507b
hex1e2e6b701

8101738241 has 4 divisors (see below), whose sum is σ = 8234553684. Its totient is φ = 7968922800.

The previous prime is 8101738237. The next prime is 8101738291. The reversal of 8101738241 is 1428371018.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2069886016 + 6031852225 = 45496^2 + 77665^2 .

It is a cyclic number.

It is not a de Polignac number, because 8101738241 - 22 = 8101738237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8101738291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66407630 + ... + 66407751.

It is an arithmetic number, because the mean of its divisors is an integer number (2058638421).

Almost surely, 28101738241 is an apocalyptic number.

It is an amenable number.

8101738241 is a deficient number, since it is larger than the sum of its proper divisors (132815443).

8101738241 is a wasteful number, since it uses less digits than its factorization.

8101738241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132815442.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 8101738241 is about 90009.6563764133. The cubic root of 8101738241 is about 2008.4424987123.

The spelling of 8101738241 in words is "eight billion, one hundred one million, seven hundred thirty-eight thousand, two hundred forty-one".

Divisors: 1 61 132815381 8101738241