Base | Representation |
---|---|
bin | 1000101010001101000… |
… | …1010010111111001011 |
3 | 112012222220102221102010 |
4 | 2022203101102333023 |
5 | 4414134113432431 |
6 | 152202040511003 |
7 | 13514420025552 |
oct | 2124321227713 |
9 | 465886387363 |
10 | 148768108491 |
11 | 5810179a8a2 |
12 | 249ba17b463 |
13 | 1104b2a0082 |
14 | 72b3d1cd99 |
15 | 3d0a894846 |
hex | 22a3452fcb |
148768108491 has 8 divisors (see below), whose sum is σ = 203195465424. Its totient is φ = 96759745280.
The previous prime is 148768108481. The next prime is 148768108523. The reversal of 148768108491 is 194801867841.
148768108491 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 a cyclic number.
It is not a de Polignac number, because 148768108491 - 29 = 148768107979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (148768108481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604748286 + ... + 604748531.
It is an arithmetic number, because the mean of its divisors is an integer number (25399433178).
Almost surely, 2148768108491 is an apocalyptic number.
148768108491 is a deficient number, since it is larger than the sum of its proper divisors (54427356933).
148768108491 is a wasteful number, since it uses less digits than its factorization.
148768108491 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1209496861.
The product of its (nonzero) digits is 3096576, while the sum is 57.
The spelling of 148768108491 in words is "one hundred forty-eight billion, seven hundred sixty-eight million, one hundred eight thousand, four hundred ninety-one".
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