Base | Representation |
---|---|
bin | 111100001110100111111… |
… | …100010011011010100000 |
3 | 112122200011001011222201221 |
4 | 330032213330103122200 |
5 | 1020302402000444110 |
6 | 12445212055504424 |
7 | 605011040650615 |
oct | 74164774233240 |
9 | 15580131158657 |
10 | 4138871109280 |
11 | 1356315928476 |
12 | 56a183688114 |
13 | 2403a883294b |
14 | 104472a6c50c |
15 | 729dca3a7da |
hex | 3c3a7f136a0 |
4138871109280 has 24 divisors (see below), whose sum is σ = 9778082996052. Its totient is φ = 1655548443648.
The previous prime is 4138871109271. The next prime is 4138871109281. The reversal of 4138871109280 is 829011788314.
It can be written as a sum of positive squares in 2 ways, for example, as 3793940422416 + 344930686864 = 1947804^2 + 587308^2 .
It is not an unprimeable number, because it can be changed into a prime (4138871109281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12933972057 + ... + 12933972376.
Almost surely, 24138871109280 is an apocalyptic number.
4138871109280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4138871109280 is an abundant number, since it is smaller than the sum of its proper divisors (5639211886772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4138871109280 is a wasteful number, since it uses less digits than its factorization.
4138871109280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25867944448 (or 25867944440 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 52.
The spelling of 4138871109280 in words is "four trillion, one hundred thirty-eight billion, eight hundred seventy-one million, one hundred nine thousand, two hundred eighty".
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