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38749135104 = 283413672
BaseRepresentation
bin100100000101101000…
…001110000100000000
310201000111100000110000
4210011220032010000
51113324234310404
625445012240000
72541145133241
oct440550160400
9121014300400
1038749135104
11154849707a9
127615010000
133866b8c114
141c383dacc8
15101bca0339
hex905a0e100

38749135104 has 135 divisors (see below), whose sum is σ = 115627494367. Its totient is φ = 12906929664.

The previous prime is 38749135013. The next prime is 38749135109. The reversal of 38749135104 is 40153194783.

The square root of 38749135104 is 196848.

It is a perfect power (a square), and thus also a powerful number.

38749135104 is a `hidden beast` number, since 3 + 87 + 49 + 13 + 510 + 4 = 666.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38749135104.

It is not an unprimeable number, because it can be changed into a prime (38749135109) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 28345429 + ... + 28346795.

Almost surely, 238749135104 is an apocalyptic number.

38749135104 is the 196848-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38749135104

38749135104 is an abundant number, since it is smaller than the sum of its proper divisors (76878359263).

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

38749135104 is an frugal number, since it uses more digits than its factorization.

38749135104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 38749135104 in words is "thirty-eight billion, seven hundred forty-nine million, one hundred thirty-five thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 576 648 768 864 1152 1296 1367 1728 2304 2592 2734 3456 4101 5184 5468 6912 8202 10368 10936 12303 16404 20736 21872 24606 32808 36909 43744 49212 65616 73818 87488 98424 110727 131232 147636 174976 196848 221454 262464 295272 349952 393696 442908 524928 590544 787392 885816 1049856 1181088 1574784 1771632 1868689 2362176 3149568 3543264 3737378 4724352 5606067 7086528 7474756 9448704 11212134 14173056 14949512 16818201 22424268 28346112 29899024 33636402 44848536 50454603 59798048 67272804 89697072 100909206 119596096 134545608 151363809 179394144 201818412 239192192 269091216 302727618 358788288 403636824 478384384 538182432 605455236 717576576 807273648 1076364864 1210910472 1435153152 1614547296 2152729728 2421820944 3229094592 4305459456 4843641888 6458189184 9687283776 12916378368 19374567552 38749135104