Base | Representation |
---|---|
bin | 10101111100111000001… |
… | …11001011010101111001 |
3 | 2200002211011121210120021 |
4 | 22332130013023111321 |
5 | 44324140012411321 |
6 | 1334254202330441 |
7 | 105330505440100 |
oct | 12763407132571 |
9 | 2602734553507 |
10 | 754238403961 |
11 | 270963a09339 |
12 | 102214ab9a21 |
13 | 561803408b3 |
14 | 287108c7037 |
15 | 14945ab5941 |
hex | af9c1cb579 |
754238403961 has 9 divisors (see below), whose sum is σ = 877386439749. Its totient is φ = 646484849724.
The previous prime is 754238403931. The next prime is 754238404009. The reversal of 754238403961 is 169304832457.
It is a happy number.
The square root of 754238403961 is 868469.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 754238403961 - 225 = 754204849529 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 754238403899 and 754238403908.
It is not an unprimeable number, because it can be changed into a prime (754238403901) 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 8 ways as a sum of consecutive naturals, for example, 6017250 + ... + 6141316.
It is a 1-persistent number, because it is pandigital, but 2⋅754238403961 = 1508476807922 is not.
Almost surely, 2754238403961 is an apocalyptic number.
754238403961 is the 868469-th square number.
754238403961 is the 434235-th centered octagonal number.
It is an amenable number.
754238403961 is a deficient number, since it is larger than the sum of its proper divisors (123148035788).
754238403961 is an frugal number, since it uses more digits than its factorization.
754238403961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248148 (or 124074 counting only the distinct ones).
The product of its (nonzero) digits is 4354560, while the sum is 52.
The spelling of 754238403961 in words is "seven hundred fifty-four billion, two hundred thirty-eight million, four hundred three thousand, nine hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •