Search a number
-
+
38791939107 = 317266892
BaseRepresentation
bin100100001000001011…
…100000010000100011
310201010110212200111110
4210020023200100203
51113421214022412
625453141514403
72542205020245
oct441013402043
9121113780443
1038791939107
11154a7047009
127627412a03
1338729c802c
141c3dd80095
151020907d3c
hex9082e0423

38791939107 has 18 divisors (see below), whose sum is σ = 54952276708. Its totient is φ = 24336401408.

The previous prime is 38791939103. The next prime is 38791939111. The reversal of 38791939107 is 70193919783.

It is an interprime number because it is at equal distance from previous prime (38791939103) and next prime (38791939111).

It is not a de Polignac number, because 38791939107 - 22 = 38791939103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38791939103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5796019 + ... + 5802707.

Almost surely, 238791939107 is an apocalyptic number.

38791939107 is a deficient number, since it is larger than the sum of its proper divisors (16160337601).

38791939107 is an frugal number, since it uses more digits than its factorization.

38791939107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415 (or 6709 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 57.

The spelling of 38791939107 in words is "thirty-eight billion, seven hundred ninety-one million, nine hundred thirty-nine thousand, one hundred seven".

Divisors: 1 3 17 51 289 867 6689 20067 113713 341139 1933121 5799363 44742721 134228163 760626257 2281878771 12930646369 38791939107