Base | Representation |
---|---|
bin | 111100100010001… |
… | …1101001000000100 |
3 | 12020120002012200111 |
4 | 1321010131020010 |
5 | 13124442223022 |
6 | 533315522404 |
7 | 101223002665 |
oct | 17104351004 |
9 | 5216065614 |
10 | 2031211012 |
11 | 952624996 |
12 | 4882b9404 |
13 | 264a8460c |
14 | 153aa136c |
15 | bd4ca477 |
hex | 7911d204 |
2031211012 has 12 divisors (see below), whose sum is σ = 3641317596. Its totient is φ = 990834560.
The previous prime is 2031210997. The next prime is 2031211019. The reversal of 2031211012 is 2101121302.
It can be written as a sum of positive squares in 2 ways, for example, as 51494976 + 1979716036 = 7176^2 + 44494^2 .
It is a super-3 number, since 3×20312110123 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2031210983 and 2031211001.
It is not an unprimeable number, because it can be changed into a prime (2031211019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6192553 + ... + 6192880.
It is an arithmetic number, because the mean of its divisors is an integer number (303443133).
Almost surely, 22031211012 is an apocalyptic number.
It is an amenable number.
2031211012 is a deficient number, since it is larger than the sum of its proper divisors (1610106584).
2031211012 is a wasteful number, since it uses less digits than its factorization.
2031211012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12385478 (or 12385476 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 2031211012 is about 45068.9584081993. The cubic root of 2031211012 is about 1266.4411519421.
Adding to 2031211012 its reverse (2101121302), we get a palindrome (4132332314).
The spelling of 2031211012 in words is "two billion, thirty-one million, two hundred eleven thousand, twelve".
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