Base | Representation |
---|---|
bin | 1101101101011110… |
… | …0100001111101110 |
3 | 100111111022002022120 |
4 | 3123113210033232 |
5 | 30014134404303 |
6 | 1405111253410 |
7 | 160126532253 |
oct | 33327441756 |
9 | 10444262276 |
10 | 3680388078 |
11 | 1619535044 |
12 | 86867a266 |
13 | 468648033 |
14 | 26cb1742a |
15 | 168190553 |
hex | db5e43ee |
3680388078 has 16 divisors (see below), whose sum is σ = 7425917136. Its totient is φ = 1215939200.
The previous prime is 3680388037. The next prime is 3680388137. The reversal of 3680388078 is 8708830863.
It is a self number, because there is not a number n which added to its sum of digits gives 3680388078.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713473 + ... + 2714828.
It is an arithmetic number, because the mean of its divisors is an integer number (464119821).
Almost surely, 23680388078 is an apocalyptic number.
3680388078 is an abundant number, since it is smaller than the sum of its proper divisors (3745529058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3680388078 is a wasteful number, since it uses less digits than its factorization.
3680388078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5428419.
The product of its (nonzero) digits is 1548288, while the sum is 51.
The square root of 3680388078 is about 60666.2021062799. The cubic root of 3680388078 is about 1543.9427947230.
The spelling of 3680388078 in words is "three billion, six hundred eighty million, three hundred eighty-eight thousand, seventy-eight".
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