Base | Representation |
---|---|
bin | 11000000010101000… |
… | …01101101001110011 |
3 | 1020022111202102010210 |
4 | 30001110031221303 |
5 | 202413141243112 |
6 | 5532425155203 |
7 | 634563334125 |
oct | 140124155163 |
9 | 36274672123 |
10 | 12906977907 |
11 | 552371a59a |
12 | 260262bb03 |
13 | 12a9032345 |
14 | 8a6273215 |
15 | 5081c9b3c |
hex | 30150da73 |
12906977907 has 8 divisors (see below), whose sum is σ = 17229388176. Its totient is φ = 8594609792.
The previous prime is 12906977851. The next prime is 12906977927. The reversal of 12906977907 is 70977960921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12906977907 - 219 = 12906453619 is a prime.
It is a super-2 number, since 2×129069779072 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12906977927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2507538 + ... + 2512679.
It is an arithmetic number, because the mean of its divisors is an integer number (2153673522).
Almost surely, 212906977907 is an apocalyptic number.
12906977907 is a deficient number, since it is larger than the sum of its proper divisors (4322410269).
12906977907 is an equidigital number, since it uses as much as digits as its factorization.
12906977907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5021077.
The product of its (nonzero) digits is 3000564, while the sum is 57.
The spelling of 12906977907 in words is "twelve billion, nine hundred six million, nine hundred seventy-seven thousand, nine hundred seven".
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