Base | Representation |
---|---|
bin | 1000000101101110… |
… | …0000010011001111 |
3 | 12121100000011021220 |
4 | 2001123200103033 |
5 | 13421344033210 |
6 | 555250054423 |
7 | 104545125255 |
oct | 20133402317 |
9 | 5540004256 |
10 | 2171471055 |
11 | a14814386 |
12 | 50727a413 |
13 | 287b53120 |
14 | 1685725d5 |
15 | ca983c70 |
hex | 816e04cf |
2171471055 has 64 divisors (see below), whose sum is σ = 3920458752. Its totient is φ = 1018321920.
The previous prime is 2171471033. The next prime is 2171471083. The reversal of 2171471055 is 5501741712.
It is not a de Polignac number, because 2171471055 - 25 = 2171471023 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1259424 + ... + 1261146.
It is an arithmetic number, because the mean of its divisors is an integer number (61257168).
Almost surely, 22171471055 is an apocalyptic number.
2171471055 is a deficient number, since it is larger than the sum of its proper divisors (1748987697).
2171471055 is a wasteful number, since it uses less digits than its factorization.
2171471055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2048.
The product of its (nonzero) digits is 9800, while the sum is 33.
The square root of 2171471055 is about 46599.0456447340. The cubic root of 2171471055 is about 1294.9450750148.
The spelling of 2171471055 in words is "two billion, one hundred seventy-one million, four hundred seventy-one thousand, fifty-five".
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