Search a number
-
+
12352518144 = 2113524821
BaseRepresentation
bin10111000000100010…
…00111100000000000
31011212212102221100000
423200101013200000
5200244221040034
65401421200000
7615051446301
oct134021074000
934785387300
1012352518144
11526974678a
122488a00000
13121b1bcc45
148527827a8
154c46a5599
hex2e0447800

12352518144 has 144 divisors (see below), whose sum is σ = 36999176760. Its totient is φ = 4117340160.

The previous prime is 12352518133. The next prime is 12352518151. The reversal of 12352518144 is 44181525321.

12352518144 is a `hidden beast` number, since 12 + 3 + 525 + 1 + 81 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12352518099 and 12352518108.

It is a congruent number.

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, 485254 + ... + 510074.

Almost surely, 212352518144 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 12352518144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18499588380).

12352518144 is an abundant number, since it is smaller than the sum of its proper divisors (24646658616).

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

12352518144 is an frugal number, since it uses more digits than its factorization.

12352518144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24858 (or 24826 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The spelling of 12352518144 in words is "twelve billion, three hundred fifty-two million, five hundred eighteen thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 768 864 972 1024 1152 1296 1536 1728 1944 2048 2304 2592 3072 3456 3888 4608 5184 6144 6912 7776 9216 10368 13824 15552 18432 20736 24821 27648 31104 41472 49642 55296 62208 74463 82944 99284 124416 148926 165888 198568 223389 248832 297852 397136 446778 497664 595704 670167 794272 893556 1191408 1340334 1588544 1787112 2010501 2382816 2680668 3177088 3574224 4021002 4765632 5361336 6031503 6354176 7148448 8042004 9531264 10722672 12063006 12708352 14296896 16084008 19062528 21445344 24126012 25416704 28593792 32168016 38125056 42890688 48252024 50833408 57187584 64336032 76250112 85781376 96504048 114375168 128672064 152500224 171562752 193008096 228750336 257344128 343125504 386016192 457500672 514688256 686251008 772032384 1029376512 1372502016 1544064768 2058753024 3088129536 4117506048 6176259072 12352518144