Base | Representation |
---|---|
bin | 11000000001111100… |
… | …10001011000011010 |
3 | 1020022002221012000120 |
4 | 30000332101120122 |
5 | 202410203213020 |
6 | 5532102014110 |
7 | 634463416551 |
oct | 140076213032 |
9 | 36262835016 |
10 | 12901226010 |
11 | 5520451062 |
12 | 2600717336 |
13 | 12a7a9a25a |
14 | 8a55b6d98 |
15 | 507940740 |
hex | 300f9161a |
12901226010 has 64 divisors (see below), whose sum is σ = 32642410752. Its totient is φ = 3256805376.
The previous prime is 12901226003. The next prime is 12901226089. The reversal of 12901226010 is 1062210921.
It is a super-2 number, since 2×129012260102 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29449 + ... + 163308.
It is an arithmetic number, because the mean of its divisors is an integer number (510037668).
Almost surely, 212901226010 is an apocalyptic number.
12901226010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12901226010 is an abundant number, since it is smaller than the sum of its proper divisors (19741184742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12901226010 is a wasteful number, since it uses less digits than its factorization.
12901226010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192887.
The product of its (nonzero) digits is 432, while the sum is 24.
Adding to 12901226010 its reverse (1062210921), we get a palindrome (13963436931).
The spelling of 12901226010 in words is "twelve billion, nine hundred one million, two hundred twenty-six thousand, ten".
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