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22680987072 = 263631187211
BaseRepresentation
bin10101000111111001…
…000110010111000000
32011112200021112010020
4111013321012113000
5332422313041242
614230340133440
71432025131512
oct250771062700
964480245106
1022680987072
11968990a317
12448b997280
1321a5c65313
1411523a9bb2
158cb2e76ec
hex547e465c0

22680987072 has 56 divisors (see below), whose sum is σ = 60105535872. Its totient is φ = 7548307200.

The previous prime is 22680987067. The next prime is 22680987089. The reversal of 22680987072 is 27078908622.

It is a super-2 number, since 2×226809870722 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27547 + ... + 214757.

Almost surely, 222680987072 is an apocalyptic number.

It is an amenable number.

22680987072 is an abundant number, since it is smaller than the sum of its proper divisors (37424548800).

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

22680987072 is a wasteful number, since it uses less digits than its factorization.

22680987072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187857 (or 187847 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 22680987072 in words is "twenty-two billion, six hundred eighty million, nine hundred eighty-seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 631 1262 1893 2524 3786 5048 7572 10096 15144 20192 30288 40384 60576 121152 187211 374422 561633 748844 1123266 1497688 2246532 2995376 4493064 5990752 8986128 11981504 17972256 35944512 118130141 236260282 354390423 472520564 708780846 945041128 1417561692 1890082256 2835123384 3780164512 5670246768 7560329024 11340493536 22680987072