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8742228513 = 37541386431
BaseRepresentation
bin10000010010001001…
…11101001000100001
3211120021001020000020
420021010331020201
5120401002303023
64003252144053
7426432500454
oct101104751041
924507036006
108742228513
11378683a747
12183b908029
13a942494a5
145cd0b549b
1536275ede3
hex20913d221

8742228513 has 8 divisors (see below), whose sum is σ = 11657880576. Its totient is φ = 5827364400.

The previous prime is 8742228449. The next prime is 8742228533. The reversal of 8742228513 is 3158222478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8742228513 - 26 = 8742228449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8742228533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170593 + ... + 215838.

It is an arithmetic number, because the mean of its divisors is an integer number (1457235072).

Almost surely, 28742228513 is an apocalyptic number.

It is an amenable number.

8742228513 is a deficient number, since it is larger than the sum of its proper divisors (2915652063).

8742228513 is a wasteful number, since it uses less digits than its factorization.

8742228513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393975.

The product of its digits is 215040, while the sum is 42.

The square root of 8742228513 is about 93499.8850961861. The cubic root of 8742228513 is about 2060.0324022459.

The spelling of 8742228513 in words is "eight billion, seven hundred forty-two million, two hundred twenty-eight thousand, five hundred thirteen".

Divisors: 1 3 7541 22623 386431 1159293 2914076171 8742228513