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22012067140 = 2257227182883
BaseRepresentation
bin10100100000000001…
…010111110101000100
32002211001120212110221
4110200001113311010
5330040042122030
614040122554124
71406323324600
oct244001276504
962731525427
1022012067140
119376268928
124323968944
1320ca4b86cb
1410cb602500
1588c713e7a
hex520057d44

22012067140 has 72 divisors (see below), whose sum is σ = 53971408512. Its totient is φ = 7519055040.

The previous prime is 22012067117. The next prime is 22012067183. The reversal of 22012067140 is 4176021022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224139 + ... + 307021.

It is an arithmetic number, because the mean of its divisors is an integer number (749602896).

Almost surely, 222012067140 is an apocalyptic number.

22012067140 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 22012067140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26985704256).

22012067140 is an abundant number, since it is smaller than the sum of its proper divisors (31959341372).

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

22012067140 is a wasteful number, since it uses less digits than its factorization.

22012067140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83177 (or 83168 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 22012067140 its reverse (4176021022), we get a palindrome (26188088162).

The spelling of 22012067140 in words is "twenty-two billion, twelve million, sixty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 271 490 542 980 1084 1355 1897 2710 3794 5420 7588 9485 13279 18970 26558 37940 53116 66395 82883 132790 165766 265580 331532 414415 580181 828830 1160362 1657660 2320724 2900905 4061267 5801810 8122534 11603620 16245068 20306335 22461293 40612670 44922586 81225340 89845172 112306465 157229051 224612930 314458102 449225860 628916204 786145255 1100603357 1572290510 2201206714 3144581020 4402413428 5503016785 11006033570 22012067140