Base | Representation |
---|---|
bin | 1100011001110100010… |
… | …0100011000110110101 |
3 | 202101000111211002212001 |
4 | 3012131010203012311 |
5 | 11442401141102124 |
6 | 241520324255301 |
7 | 21252351215653 |
oct | 3063504430665 |
9 | 671014732761 |
10 | 213088612789 |
11 | 82408a6a768 |
12 | 3536ab41531 |
13 | 1712bb78580 |
14 | a456515dd3 |
15 | 582257bb44 |
hex | 319d1231b5 |
213088612789 has 64 divisors (see below), whose sum is σ = 248337123328. Its totient is φ = 181398528000.
The previous prime is 213088612699. The next prime is 213088612801. The reversal of 213088612789 is 987216880312.
It is a cyclic number.
It is not a de Polignac number, because 213088612789 - 217 = 213088481717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213088612589) 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, 177425389 + ... + 177426589.
It is an arithmetic number, because the mean of its divisors is an integer number (3880267552).
Almost surely, 2213088612789 is an apocalyptic number.
It is an amenable number.
213088612789 is a deficient number, since it is larger than the sum of its proper divisors (35248510539).
213088612789 is a wasteful number, since it uses less digits than its factorization.
213088612789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1518.
The product of its (nonzero) digits is 2322432, while the sum is 55.
The spelling of 213088612789 in words is "two hundred thirteen billion, eighty-eight million, six hundred twelve thousand, seven hundred eighty-nine".
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