Search a number
-
+
2889017664 = 2631311310243
BaseRepresentation
bin1010110000110010…
…1110100101000000
321110100012022012020
42230030232211000
521404042031124
61154401401440
7131410150011
oct25414564500
97410168166
102889017664
111252858805
12687639280
133706c7010
141d5997008
1511d970379
hexac32e940

2889017664 has 112 divisors (see below), whose sum is σ = 8305507392. Its totient is φ = 880975872.

The previous prime is 2889017653. The next prime is 2889017687. The reversal of 2889017664 is 4667109882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276927 + ... + 287169.

It is an arithmetic number, because the mean of its divisors is an integer number (74156316).

Almost surely, 22889017664 is an apocalyptic number.

2889017664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2889017664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4152753696).

2889017664 is an abundant number, since it is smaller than the sum of its proper divisors (5416489728).

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

2889017664 is a wasteful number, since it uses less digits than its factorization.

2889017664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10384 (or 10374 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 2889017664 is about 53749.5829193120. The cubic root of 2889017664 is about 1424.2407222553.

The spelling of 2889017664 in words is "two billion, eight hundred eighty-nine million, seventeen thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 113 156 192 208 226 312 339 416 452 624 678 832 904 1248 1356 1469 1808 2496 2712 2938 3616 4407 5424 5876 7232 8814 10243 10848 11752 17628 20486 21696 23504 30729 35256 40972 47008 61458 70512 81944 94016 122916 133159 141024 163888 245832 266318 282048 327776 399477 491664 532636 655552 798954 983328 1065272 1157459 1597908 1966656 2130544 2314918 3195816 3472377 4261088 4629836 6391632 6944754 8522176 9259672 12783264 13889508 15046967 18519344 25566528 27779016 30093934 37038688 45140901 55558032 60187868 74077376 90281802 111116064 120375736 180563604 222232128 240751472 361127208 481502944 722254416 963005888 1444508832 2889017664