Base | Representation |
---|---|
bin | 1100100001100010001… |
… | …01011110111000100101 |
3 | 1112010201202110200100001 |
4 | 12100301011132320211 |
5 | 24022243441003110 |
6 | 525404132221301 |
7 | 43042510530343 |
oct | 6206105367045 |
9 | 1463652420301 |
10 | 430320250405 |
11 | 156552621291 |
12 | 6b49546a831 |
13 | 3176b171606 |
14 | 16b82d72993 |
15 | b2d86d163a |
hex | 643115ee25 |
430320250405 has 8 divisors (see below), whose sum is σ = 518526975384. Its totient is φ = 342827750400.
The previous prime is 430320250403. The next prime is 430320250411. The reversal of 430320250405 is 504052023034.
It can be written as a sum of positive squares in 4 ways, for example, as 137458528516 + 292861721889 = 370754^2 + 541167^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 430320250405 - 21 = 430320250403 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (430320250403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178554916 + ... + 178557325.
It is an arithmetic number, because the mean of its divisors is an integer number (64815871923).
Almost surely, 2430320250405 is an apocalyptic number.
It is an amenable number.
430320250405 is a deficient number, since it is larger than the sum of its proper divisors (88206724979).
430320250405 is a wasteful number, since it uses less digits than its factorization.
430320250405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357112487.
The product of its (nonzero) digits is 14400, while the sum is 28.
Adding to 430320250405 its reverse (504052023034), we get a palindrome (934372273439).
The spelling of 430320250405 in words is "four hundred thirty billion, three hundred twenty million, two hundred fifty thousand, four hundred five".
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