Base | Representation |
---|---|
bin | 11001011001111… |
… | …00101000101111 |
3 | 112212000001222212 |
4 | 30230330220233 |
5 | 414023444140 |
6 | 33051401035 |
7 | 5165253620 |
oct | 1454745057 |
9 | 485001885 |
10 | 213109295 |
11 | aa327193 |
12 | 5b45317b |
13 | 351c7199 |
14 | 20435a47 |
15 | 13a98765 |
hex | cb3ca2f |
213109295 has 16 divisors (see below), whose sum is σ = 297058368. Its totient is φ = 143735040.
The previous prime is 213109289. The next prime is 213109321. The reversal of 213109295 is 592901312.
It is not a de Polignac number, because 213109295 - 222 = 208914991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47774 + ... + 52043.
It is an arithmetic number, because the mean of its divisors is an integer number (18566148).
Almost surely, 2213109295 is an apocalyptic number.
213109295 is a deficient number, since it is larger than the sum of its proper divisors (83949073).
213109295 is an equidigital number, since it uses as much as digits as its factorization.
213109295 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99890.
The product of its (nonzero) digits is 4860, while the sum is 32.
The square root of 213109295 is about 14598.2634241200. The cubic root of 213109295 is about 597.3113915997.
The spelling of 213109295 in words is "two hundred thirteen million, one hundred nine thousand, two hundred ninety-five".
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