Base | Representation |
---|---|
bin | 1110110111010110… |
… | …10001101000111010 |
3 | 202121011202112011110 |
4 | 13123223101220322 |
5 | 112321003201132 |
6 | 3355522141150 |
7 | 401523214053 |
oct | 73353215072 |
9 | 22534675143 |
10 | 7980522042 |
11 | 3425884369 |
12 | 16687b17b6 |
13 | 9a24b34bc |
14 | 559c7772a |
15 | 31a94e1cc |
hex | 1dbad1a3a |
7980522042 has 32 divisors (see below), whose sum is σ = 16067338560. Its totient is φ = 2642492160.
The previous prime is 7980522029. The next prime is 7980522061. The reversal of 7980522042 is 2402250897.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 1092133 + ... + 1099415.
It is an arithmetic number, because the mean of its divisors is an integer number (502104330).
Almost surely, 27980522042 is an apocalyptic number.
7980522042 is an abundant number, since it is smaller than the sum of its proper divisors (8086816518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7980522042 is a wasteful number, since it uses less digits than its factorization.
7980522042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8478.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 7980522042 is about 89333.7676469542. The cubic root of 7980522042 is about 1998.3755177192.
The spelling of 7980522042 in words is "seven billion, nine hundred eighty million, five hundred twenty-two thousand, forty-two".
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