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2008241680 = 24573347991
BaseRepresentation
bin111011110110011…
…0101011000010000
312011221212020200111
41313230311120100
513103102213210
6531135331104
7100523526004
oct16754653020
95157766614
102008241680
11940666775
12480680a94
132600a17b3
14150a02704
15bb48e88a
hex77b35610

2008241680 has 80 divisors (see below), whose sum is σ = 4751553024. Its totient is φ = 789212160.

The previous prime is 2008241639. The next prime is 2008241693. The reversal of 2008241680 is 861428002.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025985 + ... + 2026975.

Almost surely, 22008241680 is an apocalyptic number.

2008241680 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 2008241680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2375776512).

2008241680 is an abundant number, since it is smaller than the sum of its proper divisors (2743311344).

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

2008241680 is a wasteful number, since it uses less digits than its factorization.

2008241680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2008241680 is about 44813.4096002525. The cubic root of 2008241680 is about 1261.6493224392.

Adding to 2008241680 its reverse (861428002), we get a palindrome (2869669682).

The spelling of 2008241680 in words is "two billion, eight million, two hundred forty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 73 80 146 292 347 365 584 694 730 991 1168 1388 1460 1735 1982 2776 2920 3470 3964 4955 5552 5840 6940 7928 9910 13880 15856 19820 25331 27760 39640 50662 72343 79280 101324 126655 144686 202648 253310 289372 343877 361715 405296 506620 578744 687754 723430 1013240 1157488 1375508 1446860 1719385 2026480 2751016 2893720 3438770 5502032 5787440 6877540 13755080 25103021 27510160 50206042 100412084 125515105 200824168 251030210 401648336 502060420 1004120840 2008241680