Base | Representation |
---|---|
bin | 101101110110000… |
… | …0010001101100111 |
3 | 10222012112012211000 |
4 | 1123230002031213 |
5 | 11122244120210 |
6 | 412350244343 |
7 | 53056036230 |
oct | 13354021547 |
9 | 3865465730 |
10 | 1538270055 |
11 | 71a34a073 |
12 | 36b1b66b3 |
13 | 1b690158a |
14 | 108426087 |
15 | 900a8ac0 |
hex | 5bb02367 |
1538270055 has 64 divisors (see below), whose sum is σ = 3233203200. Its totient is φ = 678948480.
The previous prime is 1538270053. The next prime is 1538270059. The reversal of 1538270055 is 5500728351.
1538270055 is a `hidden beast` number, since 1 + 538 + 2 + 70 + 0 + 55 = 666.
1538270055 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1538270055 - 21 = 1538270053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1538270053) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 661 + ... + 55470.
It is an arithmetic number, because the mean of its divisors is an integer number (50518800).
Almost surely, 21538270055 is an apocalyptic number.
1538270055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1538270055 is an abundant number, since it is smaller than the sum of its proper divisors (1694933145).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1538270055 is a wasteful number, since it uses less digits than its factorization.
1538270055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56181 (or 56175 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
The square root of 1538270055 is about 39220.7860069122. The cubic root of 1538270055 is about 1154.3677767835.
The spelling of 1538270055 in words is "one billion, five hundred thirty-eight million, two hundred seventy thousand, fifty-five".
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