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2008120960 = 27541103743
BaseRepresentation
bin111011110110001…
…0111111010000000
312011221122010002101
41313230113322000
513103034332320
6531133000144
7100522514026
oct16754277200
95157563071
102008120960
11940593aaa
12480623054
1326005b871
141509b0716
15bb468c0a
hex77b17e80

2008120960 has 128 divisors (see below), whose sum is σ = 4972181760. Its totient is φ = 775004160.

The previous prime is 2008120949. The next prime is 2008120993. The reversal of 2008120960 is 690218002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2702349 + ... + 2703091.

It is an arithmetic number, because the mean of its divisors is an integer number (38845170).

Almost surely, 22008120960 is an apocalyptic number.

2008120960 is a gapful number since it is divisible by the number (20) 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 2008120960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486090880).

2008120960 is an abundant number, since it is smaller than the sum of its proper divisors (2964060800).

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

2008120960 is a wasteful number, since it uses less digits than its factorization.

2008120960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2008120960 is about 44812.0626617432. The cubic root of 2008120960 is about 1261.6240417240.

Adding to 2008120960 its reverse (690218002), we get a palindrome (2698338962).

It can be divided in two parts, 20081 and 20960, that added together give a triangular number (41041 = T286).

The spelling of 2008120960 in words is "two billion, eight million, one hundred twenty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 64 80 82 103 128 160 164 205 206 320 328 410 412 515 640 656 743 820 824 1030 1312 1486 1640 1648 2060 2624 2972 3280 3296 3715 4120 4223 5248 5944 6560 6592 7430 8240 8446 11888 13120 13184 14860 16480 16892 21115 23776 26240 29720 30463 32960 33784 42230 47552 59440 60926 65920 67568 76529 84460 95104 118880 121852 135136 152315 153058 168920 237760 243704 270272 304630 306116 337840 382645 475520 487408 540544 609260 612232 675680 765290 974816 1218520 1224464 1351360 1530580 1949632 2437040 2448928 2702720 3061160 3137689 3899264 4874080 4897856 6122320 6275378 9748160 9795712 12244640 12550756 15688445 19496320 24489280 25101512 31376890 48978560 50203024 62753780 100406048 125507560 200812096 251015120 401624192 502030240 1004060480 2008120960