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8642936423 = 111033760621
BaseRepresentation
bin10000000110010100…
…01011111001100111
3211022100012122212102
420003022023321213
5120200042431143
63545344042315
7424115514242
oct100312137147
924270178772
108642936423
113735792070
12181260339b
13a797c2c84
145bdc2a259
15358b9a0b8
hex20328be67

8642936423 has 8 divisors (see below), whose sum is σ = 9437797776. Its totient is φ = 7849598400.

The previous prime is 8642936411. The next prime is 8642936441. The reversal of 8642936423 is 3246392468.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8642936423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642936483) 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, 368948 + ... + 391673.

It is an arithmetic number, because the mean of its divisors is an integer number (1179724722).

Almost surely, 28642936423 is an apocalyptic number.

8642936423 is a deficient number, since it is larger than the sum of its proper divisors (794861353).

8642936423 is a wasteful number, since it uses less digits than its factorization.

8642936423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761665.

The product of its digits is 1492992, while the sum is 47.

The square root of 8642936423 is about 92967.3944079321. The cubic root of 8642936423 is about 2052.2035732326.

The spelling of 8642936423 in words is "eight billion, six hundred forty-two million, nine hundred thirty-six thousand, four hundred twenty-three".

Divisors: 1 11 1033 11363 760621 8366831 785721493 8642936423