Search a number
-
+
105768968256 = 2632726232383
BaseRepresentation
bin110001010000001010…
…0100110000001000000
3101010000012222021221200
41202200110212001000
53213103323441011
6120331204021200
710433024252640
oct1424024460100
9333005867850
10105768968256
1140946909366
12185b9991800
139c87a77723
1451952d0520
152b40938856
hex18a0526040

105768968256 has 84 divisors (see below), whose sum is σ = 346477327872. Its totient is φ = 30219704064.

The previous prime is 105768968237. The next prime is 105768968311. The reversal of 105768968256 is 652869867501.

105768968256 is a `hidden beast` number, since 1 + 0 + 576 + 8 + 9 + 6 + 8 + 2 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×1057689682562 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 105768968193 and 105768968202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13112160 + ... + 13120223.

Almost surely, 2105768968256 is an apocalyptic number.

105768968256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105768968256 is an abundant number, since it is smaller than the sum of its proper divisors (240708359616).

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

105768968256 is a wasteful number, since it uses less digits than its factorization.

105768968256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26232408 (or 26232395 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 105768968256 in words is "one hundred five billion, seven hundred sixty-eight million, nine hundred sixty-eight thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 144 168 192 224 252 288 336 448 504 576 672 1008 1344 2016 4032 26232383 52464766 78697149 104929532 157394298 183626681 209859064 236091447 314788596 367253362 419718128 472182894 550880043 629577192 734506724 839436256 944365788 1101760086 1259154384 1469013448 1652640129 1678872512 1888731576 2203520172 2518308768 2938026896 3305280258 3777463152 4407040344 5036617536 5876053792 6610560516 7554926304 8814080688 11752107584 13221121032 15109852608 17628161376 26442242064 35256322752 52884484128 105768968256