Base | Representation |
---|---|
bin | 111100010100100… |
… | …001100010100111 |
3 | 2121112021121011020 |
4 | 330110201202213 |
5 | 4033033410343 |
6 | 244230542223 |
7 | 34035653604 |
oct | 7424414247 |
9 | 2545247136 |
10 | 1012013223 |
11 | 47a289571 |
12 | 242b07973 |
13 | 1318851c0 |
14 | 985976ab |
15 | 5dca5b83 |
hex | 3c5218a7 |
1012013223 has 16 divisors (see below), whose sum is σ = 1456408800. Its totient is φ = 621379584.
The previous prime is 1012013221. The next prime is 1012013227. The reversal of 1012013223 is 3223102101.
It is not a de Polignac number, because 1012013223 - 21 = 1012013221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012013221) 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, 11386 + ... + 46407.
It is an arithmetic number, because the mean of its divisors is an integer number (91025550).
Almost surely, 21012013223 is an apocalyptic number.
1012013223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1012013223 is a deficient number, since it is larger than the sum of its proper divisors (444395577).
1012013223 is a wasteful number, since it uses less digits than its factorization.
1012013223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58258.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1012013223 is about 31812.1552712167. The cubic root of 1012013223 is about 1003.9884785560.
Adding to 1012013223 its reverse (3223102101), we get a palindrome (4235115324).
The spelling of 1012013223 in words is "one billion, twelve million, thirteen thousand, two hundred twenty-three".
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