Base | Representation |
---|---|
bin | 1100111111110110… |
… | …00100001010000100 |
3 | 200000022101120002120 |
4 | 12133323010022010 |
5 | 103242333400124 |
6 | 3112231205540 |
7 | 334631155302 |
oct | 63773041204 |
9 | 20008346076 |
10 | 6978028164 |
11 | 2a60a07928 |
12 | 1428b168b0 |
13 | 8728b2163 |
14 | 4a2a7b272 |
15 | 2ac928d79 |
hex | 19fec4284 |
6978028164 has 12 divisors (see below), whose sum is σ = 16282065744. Its totient is φ = 2326009384.
The previous prime is 6978028153. The next prime is 6978028181. The reversal of 6978028164 is 4618208796.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290751162 + ... + 290751185.
It is an arithmetic number, because the mean of its divisors is an integer number (1356838812).
Almost surely, 26978028164 is an apocalyptic number.
It is an amenable number.
6978028164 is an abundant number, since it is smaller than the sum of its proper divisors (9304037580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6978028164 is a wasteful number, since it uses less digits than its factorization.
6978028164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581502354 (or 581502352 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 51.
The square root of 6978028164 is about 83534.5926188666. The cubic root of 6978028164 is about 1910.9276274023.
The spelling of 6978028164 in words is "six billion, nine hundred seventy-eight million, twenty-eight thousand, one hundred sixty-four".
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