Base | Representation |
---|---|
bin | 111111001111101… |
… | …0010001100111110 |
3 | 12110220011101102020 |
4 | 1332133102030332 |
5 | 13321231131423 |
6 | 550324341010 |
7 | 103405544424 |
oct | 17637221476 |
9 | 5426141366 |
10 | 2122130238 |
11 | 999983948 |
12 | 4b2844766 |
13 | 27a868a87 |
14 | 161bab114 |
15 | c64894e3 |
hex | 7e7d233e |
2122130238 has 32 divisors (see below), whose sum is σ = 4350018816. Its totient is φ = 689803968.
The previous prime is 2122130237. The next prime is 2122130239. The reversal of 2122130238 is 8320312212.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2122130237) and next prime (2122130239).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122130233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160570 + ... + 173282.
It is an arithmetic number, because the mean of its divisors is an integer number (135938088).
Almost surely, 22122130238 is an apocalyptic number.
2122130238 is an abundant number, since it is smaller than the sum of its proper divisors (2227888578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122130238 is a wasteful number, since it uses less digits than its factorization.
2122130238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13408.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 2122130238 is about 46066.5848310899. The cubic root of 2122130238 is about 1285.0617921604.
The spelling of 2122130238 in words is "two billion, one hundred twenty-two million, one hundred thirty thousand, two hundred thirty-eight".
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