Base | Representation |
---|---|
bin | 11000001010101110… |
… | …00110100011001011 |
3 | 1020111020110101001202 |
4 | 30011113012203023 |
5 | 203033030002412 |
6 | 5543251534415 |
7 | 636346232561 |
oct | 140527064313 |
9 | 36436411052 |
10 | 12974844107 |
11 | 5558a63465 |
12 | 26212ba40b |
13 | 12ba104864 |
14 | 8b129ba31 |
15 | 50e1333c2 |
hex | 3055c68cb |
12974844107 has 4 divisors (see below), whose sum is σ = 13139082720. Its totient is φ = 12810605496.
The previous prime is 12974844097. The next prime is 12974844121. The reversal of 12974844107 is 70144847921.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12974844107 - 222 = 12970649803 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12974844137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82119188 + ... + 82119345.
It is an arithmetic number, because the mean of its divisors is an integer number (3284770680).
Almost surely, 212974844107 is an apocalyptic number.
12974844107 is a deficient number, since it is larger than the sum of its proper divisors (164238613).
12974844107 is an equidigital number, since it uses as much as digits as its factorization.
12974844107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164238612.
The product of its (nonzero) digits is 451584, while the sum is 47.
The spelling of 12974844107 in words is "twelve billion, nine hundred seventy-four million, eight hundred forty-four thousand, one hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •