Base | Representation |
---|---|
bin | 11001011001001… |
… | …01000010010101 |
3 | 112211211011101122 |
4 | 30230211002111 |
5 | 414012401004 |
6 | 33045333325 |
7 | 5164402034 |
oct | 1454450225 |
9 | 484734348 |
10 | 213012629 |
11 | aa2705a5 |
12 | 5b407245 |
13 | 3519219b |
14 | 2040c71b |
15 | 13a79cbe |
hex | cb25095 |
213012629 has 8 divisors (see below), whose sum is σ = 224371680. Its totient is φ = 201668400.
The previous prime is 213012619. The next prime is 213012643. The reversal of 213012629 is 926210312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-213012629 is a prime.
It is a super-2 number, since 2×2130126292 = 90748760226983282, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 213012598 and 213012607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213012619) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37859 + ... + 43119.
It is an arithmetic number, because the mean of its divisors is an integer number (28046460).
Almost surely, 2213012629 is an apocalyptic number.
It is an amenable number.
213012629 is a deficient number, since it is larger than the sum of its proper divisors (11359051).
213012629 is a wasteful number, since it uses less digits than its factorization.
213012629 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7411.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 213012629 is about 14594.9521753242. The cubic root of 213012629 is about 597.2210648100.
The spelling of 213012629 in words is "two hundred thirteen million, twelve thousand, six hundred twenty-nine".
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