Base | Representation |
---|---|
bin | 101011100000001000… |
… | …1010110110100100001 |
3 | 22221010121101012200211 |
4 | 1113000101112310201 |
5 | 3012311020313414 |
6 | 110525552414121 |
7 | 6515015436241 |
oct | 1270021266441 |
9 | 287117335624 |
10 | 93420088609 |
11 | 3668a228301 |
12 | 16132247341 |
13 | 8a6a55c953 |
14 | 4743217b21 |
15 | 266b7513c4 |
hex | 15c0456d21 |
93420088609 has 27 divisors (see below), whose sum is σ = 99401113497. Its totient is φ = 87791599104.
The previous prime is 93420088579. The next prime is 93420088633. The reversal of 93420088609 is 90688002439.
The square root of 93420088609 is 305647.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 126495009 + 93293593600 = 11247^2 + 305440^2 .
It is not a de Polignac number, because 93420088609 - 25 = 93420088577 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (93420688609) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 681898389 + ... + 681898525.
Almost surely, 293420088609 is an apocalyptic number.
93420088609 is the 305647-th square number.
93420088609 is the 152824-th centered octagonal number.
It is an amenable number.
93420088609 is a deficient number, since it is larger than the sum of its proper divisors (5981024888).
93420088609 is an frugal number, since it uses more digits than its factorization.
93420088609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 514 (or 257 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 49.
Multiplying 93420088609 by its sum of digits (49), we get a square (4577584341841 = 21395292).
The spelling of 93420088609 in words is "ninety-three billion, four hundred twenty million, eighty-eight thousand, six hundred nine".
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