Search a number
-
+
12288165904 = 24723721072
BaseRepresentation
bin10110111000110111…
…01000100000010000
31011201101100111122201
423130123220200100
5200131232302104
65351202012544
7613340454400
oct133433504020
934641314581
1012288165904
115236392a13
12246b347154
13120aa7acb1
14847dd0800
154bdbe30a4
hex2dc6e8810

12288165904 has 135 divisors (see below), whose sum is σ = 28732655133. Its totient is φ = 5076134784.

The previous prime is 12288165899. The next prime is 12288165937. The reversal of 12288165904 is 40956188221.

The square root of 12288165904 is 110852.

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

It can be written as a sum of positive squares in only one way, i.e., 10995619600 + 1292546304 = 104860^2 + 35952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 114842619 + ... + 114842725.

Almost surely, 212288165904 is an apocalyptic number.

12288165904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12288165904 is the 110852-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12288165904

12288165904 is an abundant number, since it is smaller than the sum of its proper divisors (16444489229).

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

12288165904 is an equidigital number, since it uses as much as digits as its factorization.

12288165904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 12288165904 in words is "twelve billion, two hundred eighty-eight million, one hundred sixty-five thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 37 49 56 74 98 107 112 148 196 214 259 296 392 428 518 592 749 784 856 1036 1369 1498 1712 1813 2072 2738 2996 3626 3959 4144 5243 5476 5992 7252 7918 9583 10486 10952 11449 11984 14504 15836 19166 20972 21904 22898 27713 29008 31672 38332 41944 45796 55426 63344 67081 76664 80143 83888 91592 110852 134162 146483 153328 160286 183184 193991 221704 268324 292966 320572 387982 423613 443408 536648 561001 585932 641144 775964 847226 1025381 1073296 1122002 1171864 1282288 1551928 1694452 2050762 2244004 2343728 2965291 3103856 3388904 4101524 4488008 5930582 6777808 7177667 8203048 8976016 11861164 14355334 15673681 16406096 20757037 23722328 28710668 31347362 41514074 47444656 57421336 62694724 83028148 109715767 114842672 125389448 166056296 219431534 250778896 332112592 438863068 768010369 877726136 1536020738 1755452272 3072041476 6144082952 12288165904