Base | Representation |
---|---|
bin | 1000101001111001111… |
… | …0111001001101011001 |
3 | 112012210022022011211012 |
4 | 2022132132321031121 |
5 | 4414003033134331 |
6 | 152150051143305 |
7 | 13512423222626 |
oct | 2123636711531 |
9 | 465708264735 |
10 | 148687786841 |
11 | 58070419a70 |
12 | 249972a4b35 |
13 | 11037759479 |
14 | 72a73b134d |
15 | 3d037ca82b |
hex | 229e7b9359 |
148687786841 has 4 divisors (see below), whose sum is σ = 162204858384. Its totient is φ = 135170715300.
The previous prime is 148687786823. The next prime is 148687786847.
148687786841 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 148687786841 - 26 = 148687786777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148687786847) 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, 6758535755 + ... + 6758535776.
It is an arithmetic number, because the mean of its divisors is an integer number (40551214596).
Almost surely, 2148687786841 is an apocalyptic number.
148687786841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
148687786841 is a deficient number, since it is larger than the sum of its proper divisors (13517071543).
148687786841 is a wasteful number, since it uses less digits than its factorization.
148687786841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13517071542.
The product of its digits is 115605504, while the sum is 68.
The spelling of 148687786841 in words is "one hundred forty-eight billion, six hundred eighty-seven million, seven hundred eighty-six thousand, eight hundred forty-one".
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