Search a number
-
+
38671850349 = 32112291224529
BaseRepresentation
bin100100000001000001…
…011001101101101101
310200211002220112200200
4210001001121231231
51113144443202344
625433211544113
72536216206246
oct440101315555
9120732815620
1038671850349
1115445284600
1275b315b039
133853b6c8b2
141c2c03dccd
1510150d6069
hex901059b6d

38671850349 has 36 divisors (see below), whose sum is σ = 63516371100. Its totient is φ = 22629277440.

The previous prime is 38671850323. The next prime is 38671850387. The reversal of 38671850349 is 94305817683.

38671850349 is a `hidden beast` number, since 3 + 86 + 7 + 18 + 503 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9833697225 + 28838153124 = 99165^2 + 169818^2 .

It is not a de Polignac number, because 38671850349 - 221 = 38669753197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38671850295 and 38671850304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38671850449) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 580684 + ... + 643845.

Almost surely, 238671850349 is an apocalyptic number.

It is an amenable number.

38671850349 is a deficient number, since it is larger than the sum of its proper divisors (24844520751).

38671850349 is a wasteful number, since it uses less digits than its factorization.

38671850349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224586 (or 1224572 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 38671850349 in words is "thirty-eight billion, six hundred seventy-one million, eight hundred fifty thousand, three hundred forty-nine".

Divisors: 1 3 9 11 29 33 87 99 121 261 319 363 957 1089 2871 3509 10527 31581 1224529 3673587 11020761 13469819 35511341 40409457 106534023 121228371 148168009 319602069 390624751 444504027 1171874253 1333512081 3515622759 4296872261 12890616783 38671850349