Base | Representation |
---|---|
bin | 111100011001000… |
… | …101110001011101 |
3 | 2121121112102002220 |
4 | 330121011301131 |
5 | 4033340211310 |
6 | 244312335553 |
7 | 34052100420 |
oct | 7431056135 |
9 | 2547472086 |
10 | 1013210205 |
11 | 47aa26907 |
12 | 2433a45b9 |
13 | 131bb3c87 |
14 | 987c99b7 |
15 | 5de40670 |
hex | 3c645c5d |
1013210205 has 32 divisors (see below), whose sum is σ = 1856784384. Its totient is φ = 462167616.
The previous prime is 1013210197. The next prime is 1013210243. The reversal of 1013210205 is 5020123101.
It is not a de Polignac number, because 1013210205 - 23 = 1013210197 is a prime.
It is a super-2 number, since 2×10132102052 = 2053189839032284050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38704 + ... + 59366.
It is an arithmetic number, because the mean of its divisors is an integer number (58024512).
Almost surely, 21013210205 is an apocalyptic number.
1013210205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1013210205 is a deficient number, since it is larger than the sum of its proper divisors (843574179).
1013210205 is a wasteful number, since it uses less digits than its factorization.
1013210205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21145.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 1013210205 is about 31830.9629920303. The cubic root of 1013210205 is about 1004.3841527821.
Adding to 1013210205 its reverse (5020123101), we get a palindrome (6033333306).
The spelling of 1013210205 in words is "one billion, thirteen million, two hundred ten thousand, two hundred five".
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