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8741074321 = 71248724903
BaseRepresentation
bin10000010010000001…
…00011010110010001
3211120011212120202101
420021000203112101
5120400203334241
64003211320401
7426416622460
oct101100432621
924504776671
108741074321
113786121571
12183b450101
13a93c34035
145ccc949d7
153625d2e31
hex209023591

8741074321 has 4 divisors (see below), whose sum is σ = 9989799232. Its totient is φ = 7492349412.

The previous prime is 8741074267. The next prime is 8741074351. The reversal of 8741074321 is 1234701478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1234701478 = 2617350739.

It is a cyclic number.

It is not a de Polignac number, because 8741074321 - 211 = 8741072273 is a prime.

It is a super-2 number, since 2×87410743212 (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8741074351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624362445 + ... + 624362458.

It is an arithmetic number, because the mean of its divisors is an integer number (2497449808).

Almost surely, 28741074321 is an apocalyptic number.

It is an amenable number.

8741074321 is a deficient number, since it is larger than the sum of its proper divisors (1248724911).

8741074321 is a wasteful number, since it uses less digits than its factorization.

8741074321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248724910.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 8741074321 is about 93493.7127351353. The cubic root of 8741074321 is about 2059.9417397197.

Adding to 8741074321 its reverse (1234701478), we get a palindrome (9975775799).

The spelling of 8741074321 in words is "eight billion, seven hundred forty-one million, seventy-four thousand, three hundred twenty-one".

Divisors: 1 7 1248724903 8741074321