Base | Representation |
---|---|
bin | 1001000110110001111111… |
… | …1101101010011110100010 |
3 | 1022110010222210222021000000 |
4 | 2101230133331222132202 |
5 | 2303014242341303232 |
6 | 33143255245440430 |
7 | 2052231203353542 |
oct | 221543775523642 |
9 | 38403883867000 |
10 | 10012105025442 |
11 | 32101232a9883 |
12 | 11584b5870116 |
13 | 5781a2ca3080 |
14 | 268834a89322 |
15 | 125687a0c27c |
hex | 91b1ff6a7a2 |
10012105025442 has 56 divisors (see below), whose sum is σ = 24249007817244. Its totient is φ = 3080647694304.
The previous prime is 10012105025399. The next prime is 10012105025459. The reversal of 10012105025442 is 24452050121001.
It is a happy number.
10012105025442 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 210 + 5 + 0 + 2 + 5 + 442 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 9454647175281 + 557457850161 = 3074841^2 + 746631^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 264096933 + ... + 264134840.
Almost surely, 210012105025442 is an apocalyptic number.
10012105025442 is an abundant number, since it is smaller than the sum of its proper divisors (14236902791802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10012105025442 is an equidigital number, since it uses as much as digits as its factorization.
10012105025442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 528231806 (or 528231791 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
Adding to 10012105025442 its reverse (24452050121001), we get a palindrome (34464155146443).
The spelling of 10012105025442 in words is "ten trillion, twelve billion, one hundred five million, twenty-five thousand, four hundred forty-two".
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