Base | Representation |
---|---|
bin | 10110010111010110… |
… | …11101000101001001 |
3 | 1010222210110220202000 |
4 | 23023223131011021 |
5 | 144042304210440 |
6 | 5303241501213 |
7 | 603355446423 |
oct | 131353350511 |
9 | 33883426660 |
10 | 12007100745 |
11 | 5101771562 |
12 | 23b11a1809 |
13 | 119477c853 |
14 | 81c949813 |
15 | 4a41c4730 |
hex | 2cbadd149 |
12007100745 has 64 divisors (see below), whose sum is σ = 21688819200. Its totient is φ = 6301290240.
The previous prime is 12007100689. The next prime is 12007100747. The reversal of 12007100745 is 54700170021.
It is not a de Polignac number, because 12007100745 - 26 = 12007100681 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (12007100747) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7024951 + ... + 7026659.
It is an arithmetic number, because the mean of its divisors is an integer number (338887800).
Almost surely, 212007100745 is an apocalyptic number.
12007100745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12007100745 is a deficient number, since it is larger than the sum of its proper divisors (9681718455).
12007100745 is a wasteful number, since it uses less digits than its factorization.
12007100745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2527 (or 2521 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 27.
Adding to 12007100745 its reverse (54700170021), we get a palindrome (66707270766).
The spelling of 12007100745 in words is "twelve billion, seven million, one hundred thousand, seven hundred forty-five".
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