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8742427718 = 217793254813
BaseRepresentation
bin10000010010001011…
…01101110001000110
3211120021102100021012
420021011231301012
5120401030141333
64003300322222
7426434260313
oct101105556106
924507370235
108742427718
113786966382
12183b9a3372
13a942b906b
145cd127d0a
1536279de48
hex20916dc46

8742427718 has 16 divisors (see below), whose sum is σ = 14060796480. Its totient is φ = 4062005376.

The previous prime is 8742427709. The next prime is 8742427781. The reversal of 8742427718 is 8177242478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624721 + ... + 1630092.

It is an arithmetic number, because the mean of its divisors is an integer number (878799780).

Almost surely, 28742427718 is an apocalyptic number.

8742427718 is a deficient number, since it is larger than the sum of its proper divisors (5318368762).

8742427718 is a wasteful number, since it uses less digits than its factorization.

8742427718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254911.

The product of its digits is 1404928, while the sum is 50.

The square root of 8742427718 is about 93500.9503588065. The cubic root of 8742427718 is about 2060.0480491196.

The spelling of 8742427718 in words is "eight billion, seven hundred forty-two million, four hundred twenty-seven thousand, seven hundred eighteen".

Divisors: 1 2 17 34 79 158 1343 2686 3254813 6509626 55331821 110663642 257130227 514260454 4371213859 8742427718