Base | Representation |
---|---|
bin | 10110010111111100… |
… | …01110000110100010 |
3 | 1011000010201211212110 |
4 | 23023332032012202 |
5 | 144100034121010 |
6 | 5303535140150 |
7 | 603445325565 |
oct | 131376160642 |
9 | 34003654773 |
10 | 12012020130 |
11 | 5104521570 |
12 | 23b2974656 |
13 | 11957b2a26 |
14 | 81d46a4dc |
15 | 4a4847120 |
hex | 2cbf8e1a2 |
12012020130 has 32 divisors (see below), whose sum is σ = 31449653568. Its totient is φ = 2912004800.
The previous prime is 12012020107. The next prime is 12012020131. The reversal of 12012020130 is 3102021021.
It is not an unprimeable number, because it can be changed into a prime (12012020131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18199701 + ... + 18200360.
It is an arithmetic number, because the mean of its divisors is an integer number (982801674).
Almost surely, 212012020130 is an apocalyptic number.
12012020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12012020130 is an abundant number, since it is smaller than the sum of its proper divisors (19437633438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12012020130 is a wasteful number, since it uses less digits than its factorization.
12012020130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36400082.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 12012020130 its reverse (3102021021), we get a palindrome (15114041151).
The spelling of 12012020130 in words is "twelve billion, twelve million, twenty thousand, one hundred thirty".
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