Base | Representation |
---|---|
bin | 10000101110011011… |
… | …10010011101110110 |
3 | 212011210101001121120 |
4 | 20113031302131312 |
5 | 121342213101032 |
6 | 4043004124410 |
7 | 435342566022 |
oct | 102715623566 |
9 | 25153331546 |
10 | 8979425142 |
11 | 3898719016 |
12 | 18a7236706 |
13 | b0142831c |
14 | 6127bb382 |
15 | 3784b562c |
hex | 217372776 |
8979425142 has 16 divisors (see below), whose sum is σ = 18444225072. Its totient is φ = 2912245920.
The previous prime is 8979425131. The next prime is 8979425149. The reversal of 8979425142 is 2415249798.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8979425149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20223709 + ... + 20224152.
It is an arithmetic number, because the mean of its divisors is an integer number (1152764067).
Almost surely, 28979425142 is an apocalyptic number.
8979425142 is an abundant number, since it is smaller than the sum of its proper divisors (9464799930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8979425142 is a wasteful number, since it uses less digits than its factorization.
8979425142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40447903.
The product of its digits is 1451520, while the sum is 51.
The square root of 8979425142 is about 94759.8287355987. The cubic root of 8979425142 is about 2078.4975236529.
The spelling of 8979425142 in words is "eight billion, nine hundred seventy-nine million, four hundred twenty-five thousand, one hundred forty-two".
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