Base | Representation |
---|---|
bin | 10101110001011111110… |
… | …11100101000110110001 |
3 | 2122112001100200100012110 |
4 | 22320233323211012301 |
5 | 44224131341112022 |
6 | 1331404021115533 |
7 | 105023214651045 |
oct | 12705773450661 |
9 | 2575040610173 |
10 | 748128457137 |
11 | 269309012906 |
12 | 100baa858ba9 |
13 | 5571855aa49 |
14 | 282d1258025 |
15 | 146d94b100c |
hex | ae2fee51b1 |
748128457137 has 16 divisors (see below), whose sum is σ = 1011368428928. Its totient is φ = 491860581120.
The previous prime is 748128457121. The next prime is 748128457163. The reversal of 748128457137 is 731754821847.
It is not a de Polignac number, because 748128457137 - 24 = 748128457121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (748128457537) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4948618 + ... + 5097555.
It is an arithmetic number, because the mean of its divisors is an integer number (63210526808).
Almost surely, 2748128457137 is an apocalyptic number.
It is an amenable number.
748128457137 is a deficient number, since it is larger than the sum of its proper divisors (263239971791).
748128457137 is a wasteful number, since it uses less digits than its factorization.
748128457137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10046520.
The product of its digits is 10536960, while the sum is 57.
The spelling of 748128457137 in words is "seven hundred forty-eight billion, one hundred twenty-eight million, four hundred fifty-seven thousand, one hundred thirty-seven".
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