Base | Representation |
---|---|
bin | 1101110110101110… |
… | …10010000011100010 |
3 | 201012101200101011222 |
4 | 12323113102003202 |
5 | 110213213104304 |
6 | 3230034535042 |
7 | 352221304253 |
oct | 67327220342 |
9 | 21171611158 |
10 | 7438409954 |
11 | 3177874548 |
12 | 1537137482 |
13 | 9170a5411 |
14 | 507c7cb2a |
15 | 2d80684be |
hex | 1bb5d20e2 |
7438409954 has 16 divisors (see below), whose sum is σ = 11420379168. Its totient is φ = 3631666752.
The previous prime is 7438409947. The next prime is 7438410037. The reversal of 7438409954 is 4599048347.
It is a junction number, because it is equal to n+sod(n) for n = 7438409896 and 7438409905.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348869 + ... + 369575.
It is an arithmetic number, because the mean of its divisors is an integer number (713773698).
Almost surely, 27438409954 is an apocalyptic number.
7438409954 is a deficient number, since it is larger than the sum of its proper divisors (3981969214).
7438409954 is a wasteful number, since it uses less digits than its factorization.
7438409954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24929.
The product of its (nonzero) digits is 4354560, while the sum is 53.
The square root of 7438409954 is about 86246.2170416767. The cubic root of 7438409954 is about 1952.0609333933.
The spelling of 7438409954 in words is "seven billion, four hundred thirty-eight million, four hundred nine thousand, nine hundred fifty-four".
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