Base | Representation |
---|---|
bin | 1110110101100111… |
… | …10011010111101110 |
3 | 202120011101201102120 |
4 | 13122303303113232 |
5 | 112303242331032 |
6 | 3354242333410 |
7 | 401255466621 |
oct | 73263632756 |
9 | 22504351376 |
10 | 7965980142 |
11 | 341865186a |
12 | 166395a266 |
13 | 99c491523 |
14 | 557d6ddb8 |
15 | 31952a62c |
hex | 1dacf35ee |
7965980142 has 32 divisors (see below), whose sum is σ = 16216368000. Its totient is φ = 2608154208.
The previous prime is 7965980137. The next prime is 7965980177. The reversal of 7965980142 is 2410895697.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111909 + ... + 168687.
It is an arithmetic number, because the mean of its divisors is an integer number (506761500).
Almost surely, 27965980142 is an apocalyptic number.
7965980142 is an abundant number, since it is smaller than the sum of its proper divisors (8250387858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7965980142 is a wasteful number, since it uses less digits than its factorization.
7965980142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57200.
The product of its (nonzero) digits is 1088640, while the sum is 51.
The square root of 7965980142 is about 89252.3397004247. The cubic root of 7965980142 is about 1997.1609837335.
The spelling of 7965980142 in words is "seven billion, nine hundred sixty-five million, nine hundred eighty thousand, one hundred forty-two".
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