Base | Representation |
---|---|
bin | 11000011100001011… |
… | …10010111110001100 |
3 | 1020212110001020002102 |
4 | 30032011302332030 |
5 | 203333023134122 |
6 | 10010003014232 |
7 | 643105141661 |
oct | 141605627614 |
9 | 36773036072 |
10 | 13121302412 |
11 | 56236a6789 |
12 | 266236a378 |
13 | 131156368a |
14 | 8c6903a68 |
15 | 51be13492 |
hex | 30e172f8c |
13121302412 has 12 divisors (see below), whose sum is σ = 23078840400. Its totient is φ = 6527348016.
The previous prime is 13121302373. The next prime is 13121302477. The reversal of 13121302412 is 21420312131.
13121302412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8324912 + ... + 8326487.
It is an arithmetic number, because the mean of its divisors is an integer number (1923236700).
Almost surely, 213121302412 is an apocalyptic number.
It is an amenable number.
13121302412 is a deficient number, since it is larger than the sum of its proper divisors (9957537988).
13121302412 is a wasteful number, since it uses less digits than its factorization.
13121302412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16651600 (or 16651598 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 13121302412 its reverse (21420312131), we get a palindrome (34541614543).
The spelling of 13121302412 in words is "thirteen billion, one hundred twenty-one million, three hundred two thousand, four hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •