Base | Representation |
---|---|
bin | 1110110111010110… |
… | …10100100111001100 |
3 | 202121011210010212111 |
4 | 13123223110213030 |
5 | 112321004043340 |
6 | 3355522313404 |
7 | 401523264421 |
oct | 73353244714 |
9 | 22534703774 |
10 | 7980534220 |
11 | 342589252a |
12 | 16687b8864 |
13 | 9a24b8bc9 |
14 | 559c7bd48 |
15 | 31a952aea |
hex | 1dbad49cc |
7980534220 has 24 divisors (see below), whose sum is σ = 16870115808. Its totient is φ = 3171072000.
The previous prime is 7980534187. The next prime is 7980534239. The reversal of 7980534220 is 224350897.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
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 7 ways as a sum of consecutive naturals, for example, 1318261 + ... + 1324300.
It is an arithmetic number, because the mean of its divisors is an integer number (702921492).
Almost surely, 27980534220 is an apocalyptic number.
It is an amenable number.
7980534220 is an abundant number, since it is smaller than the sum of its proper divisors (8889581588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7980534220 is a wasteful number, since it uses less digits than its factorization.
7980534220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2642721 (or 2642719 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 40.
The square root of 7980534220 is about 89333.8358070446. The cubic root of 7980534220 is about 1998.3765342026.
The spelling of 7980534220 in words is "seven billion, nine hundred eighty million, five hundred thirty-four thousand, two hundred twenty".
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