Search a number
-
+
12081328848 = 243443216791
BaseRepresentation
bin10110100000001101…
…00111001011010000
31011011222011002120000
423100012213023100
5144220310010343
65314452450000
7605246413041
oct132006471320
934158132500
1012081328848
11513a6601a6
122412019900
1311a6c6b9c4
1482874c8c8
154aa987ed3
hex2d01a72d0

12081328848 has 100 divisors (see below), whose sum is σ = 35780218848. Its totient is φ = 3933437760.

The previous prime is 12081328793. The next prime is 12081328849. The reversal of 12081328848 is 84882318021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081328849) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52668 + ... + 164123.

Almost surely, 212081328848 is an apocalyptic number.

12081328848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12081328848 is an abundant number, since it is smaller than the sum of its proper divisors (23698890000).

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

12081328848 is a wasteful number, since it uses less digits than its factorization.

12081328848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216854 (or 216839 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The spelling of 12081328848 in words is "twelve billion, eighty-one million, three hundred twenty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 43 48 54 72 81 86 108 129 144 162 172 216 258 324 344 387 432 516 648 688 774 1032 1161 1296 1548 2064 2322 3096 3483 4644 6192 6966 9288 13932 18576 27864 55728 216791 433582 650373 867164 1300746 1734328 1951119 2601492 3468656 3902238 5202984 5853357 7804476 9322013 10405968 11706714 15608952 17560071 18644026 23413428 27966039 31217904 35120142 37288052 46826856 55932078 70240284 74576104 83898117 93653712 111864156 140480568 149152208 167796234 223728312 251694351 280961136 335592468 447456624 503388702 671184936 755083053 1006777404 1342369872 1510166106 2013554808 3020332212 4027109616 6040664424 12081328848