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22108019310 = 2345134214987
BaseRepresentation
bin10100100101101111…
…011001101001101110
32010001202010202010000
4110211233121221232
5330234123104220
614053431325130
71411600030536
oct244557315156
963052122100
1022108019310
119415445143
12434bb207a6
132114342940
1410da25c4c6
15895d69390
hex525bd9a6e

22108019310 has 160 divisors (see below), whose sum is σ = 64183708512. Its totient is φ = 5427959040.

The previous prime is 22108019243. The next prime is 22108019407. The reversal of 22108019310 is 1391080122.

It is a super-2 number, since 2×221080193102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4430637 + ... + 4435623.

Almost surely, 222108019310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22108019310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32091854256).

22108019310 is an abundant number, since it is smaller than the sum of its proper divisors (42075689202).

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

22108019310 is a wasteful number, since it uses less digits than its factorization.

22108019310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440 (or 5431 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 22108019310 its reverse (1391080122), we get a palindrome (23499099432).

The spelling of 22108019310 in words is "twenty-two billion, one hundred eight million, nineteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 270 351 390 405 421 585 702 810 842 1053 1170 1263 1755 2105 2106 2526 3510 3789 4210 4987 5265 5473 6315 7578 9974 10530 10946 11367 12630 14961 16419 18945 22734 24935 27365 29922 32838 34101 37890 44883 49257 49870 54730 56835 64831 68202 74805 82095 89766 98514 113670 129662 134649 147771 149610 164190 170505 194493 224415 246285 269298 295542 324155 341010 388986 403947 443313 448830 492570 583479 648310 673245 738855 807894 886626 972465 1166958 1346490 1477710 1750437 1944930 2019735 2099527 2216565 2917395 3500874 4039470 4199054 4433130 5251311 5834790 6298581 8752185 10497635 10502622 12597162 17504370 18895743 20995270 26256555 27293851 31492905 37791486 52513110 54587702 56687229 62985810 81881553 94478715 113374458 136469255 163763106 170061687 188957430 245644659 272938510 283436145 340123374 409407765 491289318 566872290 736933977 818815530 850308435 1228223295 1473867954 1700616870 2210801931 2456446590 3684669885 4421603862 7369339770 11054009655 22108019310