Base | Representation |
---|---|
bin | 1011011101111100… |
… | …0101010101010100 |
3 | 21221112111211212222 |
4 | 2313133011111110 |
5 | 22301031110321 |
6 | 1225244201512 |
7 | 136166534261 |
oct | 26737052524 |
9 | 7845454788 |
10 | 3078378836 |
11 | 133a734645 |
12 | 71ab39298 |
13 | 3a09c7a50 |
14 | 212baa268 |
15 | 1303c73ab |
hex | b77c5554 |
3078378836 has 48 divisors (see below), whose sum is σ = 6308917776. Its totient is φ = 1301059584.
The previous prime is 3078378827. The next prime is 3078378839. The reversal of 3078378836 is 6388738703.
It can be written as a sum of positive squares in 8 ways, for example, as 124456336 + 2953922500 = 11156^2 + 54350^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3078378839) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14351 + ... + 79766.
It is an arithmetic number, because the mean of its divisors is an integer number (131435787).
Almost surely, 23078378836 is an apocalyptic number.
It is an amenable number.
3078378836 is an abundant number, since it is smaller than the sum of its proper divisors (3230538940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3078378836 is a wasteful number, since it uses less digits than its factorization.
3078378836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94188 (or 94186 counting only the distinct ones).
The product of its (nonzero) digits is 4064256, while the sum is 53.
The square root of 3078378836 is about 55483.1401058015. The cubic root of 3078378836 is about 1454.7019517596.
The spelling of 3078378836 in words is "three billion, seventy-eight million, three hundred seventy-eight thousand, eight hundred thirty-six".
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