Base | Representation |
---|---|
bin | 1000000101101011… |
… | …0000010011101010 |
3 | 12121022122011122010 |
4 | 2001122300103222 |
5 | 13421321240344 |
6 | 555241540350 |
7 | 104543346165 |
oct | 20132602352 |
9 | 5538564563 |
10 | 2171274474 |
11 | a1469a716 |
12 | 5071a46b6 |
13 | 287ab47c5 |
14 | 168520adc |
15 | ca9458b9 |
hex | 816b04ea |
2171274474 has 32 divisors (see below), whose sum is σ = 4641888384. Its totient is φ = 675403520.
The previous prime is 2171274437. The next prime is 2171274509. The reversal of 2171274474 is 4744721712.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186219 + ... + 197534.
It is an arithmetic number, because the mean of its divisors is an integer number (145059012).
Almost surely, 22171274474 is an apocalyptic number.
2171274474 is an abundant number, since it is smaller than the sum of its proper divisors (2470613910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2171274474 is a wasteful number, since it uses less digits than its factorization.
2171274474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383822.
The product of its digits is 87808, while the sum is 39.
The square root of 2171274474 is about 46596.9363155991. The cubic root of 2171274474 is about 1294.9059971618.
The spelling of 2171274474 in words is "two billion, one hundred seventy-one million, two hundred seventy-four thousand, four hundred seventy-four".
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