Base | Representation |
---|---|
bin | 10001100111110101111… |
… | …100001101000010001100 |
3 | 11021202211111202012000021 |
4 | 101213311330031002030 |
5 | 124320123033310444 |
6 | 2324155314111524 |
7 | 153331002146560 |
oct | 21476574150214 |
9 | 4252744665007 |
10 | 1211012010124 |
11 | 427650788304 |
12 | 17685157b5a4 |
13 | 8a275b58b27 |
14 | 42882c436a0 |
15 | 2177b84d584 |
hex | 119f5f0d08c |
1211012010124 has 24 divisors (see below), whose sum is σ = 2422048300448. Its totient is φ = 518999944320.
The previous prime is 1211012010121. The next prime is 1211012010167. The reversal of 1211012010124 is 4210102101121.
It is a junction number, because it is equal to n+sod(n) for n = 1211012010098 and 1211012010107.
It is not an unprimeable number, because it can be changed into a prime (1211012010121) 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, 4217272 + ... + 4495264.
Almost surely, 21211012010124 is an apocalyptic number.
1211012010124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1211012010124 is an abundant number, since it is smaller than the sum of its proper divisors (1211036290324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1211012010124 is a wasteful number, since it uses less digits than its factorization.
1211012010124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 433585 (or 433583 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 1211012010124 its reverse (4210102101121), we get a palindrome (5421114111245).
The spelling of 1211012010124 in words is "one trillion, two hundred eleven billion, twelve million, ten thousand, one hundred twenty-four".
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