Base | Representation |
---|---|
bin | 111110111100100… |
… | …1011011011100111 |
3 | 12110012100212210121 |
4 | 1331321023123213 |
5 | 13311202003111 |
6 | 545330302411 |
7 | 103224621400 |
oct | 17571133347 |
9 | 5405325717 |
10 | 2112141031 |
11 | 994280900 |
12 | 4ab427a07 |
13 | 27877c0c0 |
14 | 16072a9a7 |
15 | c5664871 |
hex | 7de4b6e7 |
2112141031 has 72 divisors (see below), whose sum is σ = 2959015920. Its totient is φ = 1492888320.
The previous prime is 2112140993. The next prime is 2112141049. The reversal of 2112141031 is 1301412112.
It is not a de Polignac number, because 2112141031 - 225 = 2078586599 is a prime.
It is a super-2 number, since 2×21121410312 = 8922279469667485922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2112140996 and 2112141014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112141091) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5163955 + ... + 5164363.
Almost surely, 22112141031 is an apocalyptic number.
2112141031 is a deficient number, since it is larger than the sum of its proper divisors (846874889).
2112141031 is a wasteful number, since it uses less digits than its factorization.
2112141031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525 (or 507 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 2112141031 is about 45958.0355433084. The cubic root of 2112141031 is about 1283.0422895555.
Adding to 2112141031 its reverse (1301412112), we get a palindrome (3413553143).
The spelling of 2112141031 in words is "two billion, one hundred twelve million, one hundred forty-one thousand, thirty-one".
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