Base | Representation |
---|---|
bin | 10110100010110110… |
… | …11000100100001001 |
3 | 1011020111222002221121 |
4 | 23101123120210021 |
5 | 144242002114431 |
6 | 5321005035241 |
7 | 605636326255 |
oct | 132133304411 |
9 | 34214862847 |
10 | 12103551241 |
11 | 5151159211 |
12 | 2419555b21 |
13 | 11ab74c852 |
14 | 82b695265 |
15 | 4ac8c7611 |
hex | 2d16d8909 |
12103551241 has 4 divisors (see below), whose sum is σ = 12223388484. Its totient is φ = 11983714000.
The previous prime is 12103551203. The next prime is 12103551307. The reversal of 12103551241 is 14215530121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8964302400 + 3139248841 = 94680^2 + 56029^2 .
It is a cyclic number.
It is not a de Polignac number, because 12103551241 - 211 = 12103549193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12103554241) 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, 59918470 + ... + 59918671.
It is an arithmetic number, because the mean of its divisors is an integer number (3055847121).
Almost surely, 212103551241 is an apocalyptic number.
It is an amenable number.
12103551241 is a deficient number, since it is larger than the sum of its proper divisors (119837243).
12103551241 is a wasteful number, since it uses less digits than its factorization.
12103551241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119837242.
The product of its (nonzero) digits is 1200, while the sum is 25.
The spelling of 12103551241 in words is "twelve billion, one hundred three million, five hundred fifty-one thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •