Base | Representation |
---|---|
bin | 10110101000100100… |
… | …00111110110010011 |
3 | 1011100212002212201110 |
4 | 23110102013312103 |
5 | 144341233030443 |
6 | 5325435504403 |
7 | 610060443603 |
oct | 132422076623 |
9 | 34325085643 |
10 | 12151455123 |
11 | 51761a80a5 |
12 | 24315b8103 |
13 | 11b8652b42 |
14 | 833ba4c03 |
15 | 4b1bdb233 |
hex | 2d4487d93 |
12151455123 has 8 divisors (see below), whose sum is σ = 16329515008. Its totient is φ = 8037182664.
The previous prime is 12151455119. The next prime is 12151455131. The reversal of 12151455123 is 32155415121.
12151455123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12151455123 - 22 = 12151455119 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12151455023) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 15946411 + ... + 15947172.
It is an arithmetic number, because the mean of its divisors is an integer number (2041189376).
Almost surely, 212151455123 is an apocalyptic number.
12151455123 is a deficient number, since it is larger than the sum of its proper divisors (4178059885).
12151455123 is a wasteful number, since it uses less digits than its factorization.
12151455123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31893713.
The product of its digits is 6000, while the sum is 30.
The spelling of 12151455123 in words is "twelve billion, one hundred fifty-one million, four hundred fifty-five thousand, one hundred twenty-three".
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