Search a number
-
+
38751107742 = 2321727449271
BaseRepresentation
bin100100000101101111…
…101111101010011110
310201000122001020101200
4210011233233222132
51113330240421432
625445122420330
72541200660334
oct440557575236
9121018036350
1038751107742
1115485a98886
1276158016a6
1338673ccc69
141c38791b54
15101c03ea7c
hex905befa9e

38751107742 has 36 divisors (see below), whose sum is σ = 89190133656. Its totient is φ = 12157208640.

The previous prime is 38751107683. The next prime is 38751107743. The reversal of 38751107742 is 24770115783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38751107743) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3719434 + ... + 3729837.

Almost surely, 238751107742 is an apocalyptic number.

38751107742 is an abundant number, since it is smaller than the sum of its proper divisors (50439025914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38751107742 is a wasteful number, since it uses less digits than its factorization.

38751107742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449313 (or 7449293 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 38751107742 in words is "thirty-eight billion, seven hundred fifty-one million, one hundred seven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 289 306 578 867 1734 2601 5202 7449271 14898542 22347813 44695626 67043439 126637607 134086878 253275214 379912821 759825642 1139738463 2152839319 2279476926 4305678638 6458517957 12917035914 19375553871 38751107742