Base | Representation |
---|---|
bin | 101010100101101110… |
… | …0011010111001110001 |
3 | 22202002000020011120011 |
4 | 1111023130122321301 |
5 | 2444302233222031 |
6 | 110003254214521 |
7 | 6415315431424 |
oct | 1251334327161 |
9 | 282060204504 |
10 | 91460054641 |
11 | 358738a881a |
12 | 15885954441 |
13 | 8817469837 |
14 | 45d8ba39bb |
15 | 25a46356b1 |
hex | 154b71ae71 |
91460054641 has 4 divisors (see below), whose sum is σ = 91473226992. Its totient is φ = 91446882292.
The previous prime is 91460054639. The next prime is 91460054657. The reversal of 91460054641 is 14645006419.
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, and also an emirpimes, since its reverse is a distinct semiprime: 14645006419 = 12211 ⋅1199329.
It is a cyclic number.
It is not a de Polignac number, because 91460054641 - 21 = 91460054639 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 91460054594 and 91460054603.
It is not an unprimeable number, because it can be changed into a prime (91460054671) 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, 6575755 + ... + 6589648.
It is an arithmetic number, because the mean of its divisors is an integer number (22868306748).
Almost surely, 291460054641 is an apocalyptic number.
It is an amenable number.
91460054641 is a deficient number, since it is larger than the sum of its proper divisors (13172351).
91460054641 is a wasteful number, since it uses less digits than its factorization.
91460054641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13172350.
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 91460054641 in words is "ninety-one billion, four hundred sixty million, fifty-four thousand, six hundred forty-one".
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