Search a number
-
+
38757136544 = 2572713831667
BaseRepresentation
bin100100000110000110…
…101111100010100000
310201001001101112100122
4210012012233202200
51113333311332134
625445455535412
72541303140120
oct440606574240
9121031345318
1038757136544
1115489436365
12761782a568
1338687310b9
141c394c0c80
15101c83102e
hex9061af8a0

38757136544 has 96 divisors (see below), whose sum is σ = 87806509056. Its totient is φ = 16495799040.

The previous prime is 38757136501. The next prime is 38757136609. The reversal of 38757136544 is 44563175783.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23248799 + ... + 23250465.

It is an arithmetic number, because the mean of its divisors is an integer number (914651136).

Almost surely, 238757136544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38757136544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43903254528).

38757136544 is an abundant number, since it is smaller than the sum of its proper divisors (49049372512).

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

38757136544 is a wasteful number, since it uses less digits than its factorization.

38757136544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338 (or 2330 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 53.

The spelling of 38757136544 in words is "thirty-eight billion, seven hundred fifty-seven million, one hundred thirty-six thousand, five hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 271 383 542 766 1084 1532 1667 1897 2168 2681 3064 3334 3794 4336 5362 6128 6668 7588 8672 10724 11669 12256 13336 15176 21448 23338 26672 30352 42896 46676 53344 60704 85792 93352 103793 186704 207586 373408 415172 451757 638461 726551 830344 903514 1276922 1453102 1660688 1807028 2553844 2906204 3162299 3321376 3614056 4469227 5107688 5812408 6324598 7228112 8938454 10215376 11624816 12649196 14456224 17876908 20430752 23249632 25298392 35753816 50596784 71507632 101193568 143015264 173022931 346045862 692091724 1211160517 1384183448 2422321034 2768366896 4844642068 5536733792 9689284136 19378568272 38757136544