Base | Representation |
---|---|
bin | 10110010110110001… |
… | …10100010111101111 |
3 | 1010222110021201022120 |
4 | 23023120310113233 |
5 | 144040031343112 |
6 | 5302545044023 |
7 | 603266101440 |
oct | 131330642757 |
9 | 33873251276 |
10 | 12002215407 |
11 | 50a9a35096 |
12 | 23ab626613 |
13 | 119375c010 |
14 | 81c0372c7 |
15 | 4a3a5be8c |
hex | 2cb6345ef |
12002215407 has 32 divisors (see below), whose sum is σ = 20854536192. Its totient is φ = 5958434304.
The previous prime is 12002215387. The next prime is 12002215411. The reversal of 12002215407 is 70451220021.
It is not a de Polignac number, because 12002215407 - 28 = 12002215151 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12002215447) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1288423 + ... + 1297704.
It is an arithmetic number, because the mean of its divisors is an integer number (651704256).
Almost surely, 212002215407 is an apocalyptic number.
12002215407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
12002215407 is a deficient number, since it is larger than the sum of its proper divisors (8852320785).
12002215407 is a wasteful number, since it uses less digits than its factorization.
12002215407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2586167.
The product of its (nonzero) digits is 1120, while the sum is 24.
Adding to 12002215407 its reverse (70451220021), we get a palindrome (82453435428).
The spelling of 12002215407 in words is "twelve billion, two million, two hundred fifteen thousand, four hundred seven".
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