Base | Representation |
---|---|
bin | 10111001010111101… |
… | …10110100110010010 |
3 | 1012002222001201202022 |
4 | 23211132312212102 |
5 | 200434120130020 |
6 | 5414224251442 |
7 | 620163204116 |
oct | 134536664622 |
9 | 35088051668 |
10 | 12440005010 |
11 | 5304070984 |
12 | 24b2170b82 |
13 | 1233372014 |
14 | 860237746 |
15 | 4cc1d7625 |
hex | 2e57b6992 |
12440005010 has 32 divisors (see below), whose sum is σ = 23171235840. Its totient is φ = 4802945728.
The previous prime is 12440005007. The next prime is 12440005031. The reversal of 12440005010 is 1050004421.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12440005010.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777979 + ... + 1784961.
It is an arithmetic number, because the mean of its divisors is an integer number (724101120).
Almost surely, 212440005010 is an apocalyptic number.
12440005010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12440005010 is a deficient number, since it is larger than the sum of its proper divisors (10731230830).
12440005010 is a wasteful number, since it uses less digits than its factorization.
12440005010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13162.
The product of its (nonzero) digits is 160, while the sum is 17.
Adding to 12440005010 its reverse (1050004421), we get a palindrome (13490009431).
The spelling of 12440005010 in words is "twelve billion, four hundred forty million, five thousand, ten".
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