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22680485500 = 22531272511423
BaseRepresentation
bin10101000111110111…
…001011111001111100
32011112122100001002111
4111013313023321330
5332422201014000
614230321303404
71432020642301
oct250767137174
964478301074
1022680485500
1196895a74a2
12448b794b64
1321a5b1ac2a
1411522b90a8
158cb248cba
hex547dcbe7c

22680485500 has 96 divisors (see below), whose sum is σ = 50158338048. Its totient is φ = 8958600000.

The previous prime is 22680485437. The next prime is 22680485501. The reversal of 22680485500 is 558408622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22680485501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15937789 + ... + 15939211.

It is an arithmetic number, because the mean of its divisors is an integer number (522482688).

Almost surely, 222680485500 is an apocalyptic number.

22680485500 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 22680485500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25079169024).

22680485500 is an abundant number, since it is smaller than the sum of its proper divisors (27477852548).

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

22680485500 is a wasteful number, since it uses less digits than its factorization.

22680485500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 22680485500 in words is "twenty-two billion, six hundred eighty million, four hundred eighty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 127 250 251 254 500 502 508 635 1004 1255 1270 1423 2510 2540 2846 3175 5020 5692 6275 6350 7115 12550 12700 14230 15875 25100 28460 31375 31750 31877 35575 62750 63500 63754 71150 125500 127508 142300 159385 177875 180721 318770 355750 357173 361442 637540 711500 714346 722884 796925 903605 1428692 1593850 1785865 1807210 3187700 3571730 3614420 3984625 4518025 7143460 7969250 8929325 9036050 15938500 17858650 18072100 22590125 35717300 44646625 45180250 45360971 89293250 90360500 90721942 178586500 181443884 226804855 453609710 907219420 1134024275 2268048550 4536097100 5670121375 11340242750 22680485500