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2008861521552 = 243310974238963
BaseRepresentation
bin11101001110111001011…
…110100011011010010000
321010001020000100210021000
4131032321132203122100
5230403122022142202
64134505214102000
7265064314123614
oct35167136433220
97101200323230
102008861521552
11704a53a5a116
122853b77aa900
1311758641aa52
146d32d739344
15373c5e5391c
hex1d3b97a3690

2008861521552 has 80 divisors (see below), whose sum is σ = 5771434265280. Its totient is φ = 669009938688.

The previous prime is 2008861521503. The next prime is 2008861521599. The reversal of 2008861521552 is 2551251688002.

2008861521552 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 8 + 615 + 21 + 5 + 5 + 2 = 666.

It is a super-2 number, since 2×20088615215522 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2008861521498 and 2008861521507.

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, 1645578 + ... + 2593385.

It is an arithmetic number, because the mean of its divisors is an integer number (72142928316).

Almost surely, 22008861521552 is an apocalyptic number.

It is an amenable number.

2008861521552 is an abundant number, since it is smaller than the sum of its proper divisors (3762572743728).

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

2008861521552 is a wasteful number, since it uses less digits than its factorization.

2008861521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240077 (or 4240065 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 2008861521552 in words is "two trillion, eight billion, eight hundred sixty-one million, five hundred twenty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 1097 2194 3291 4388 6582 8776 9873 13164 17552 19746 26328 29619 39492 52656 59238 78984 118476 157968 236952 473904 4238963 8477926 12716889 16955852 25433778 33911704 38150667 50867556 67823408 76301334 101735112 114452001 152602668 203470224 228904002 305205336 457808004 610410672 915616008 1831232016 4650142411 9300284822 13950427233 18600569644 27900854466 37201139288 41851281699 55801708932 74402278576 83702563398 111603417864 125553845097 167405126796 223206835728 251107690194 334810253592 502215380388 669620507184 1004430760776 2008861521552