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22007969880 = 23351326995227
BaseRepresentation
bin10100011111110001…
…101111100001011000
32002210202212201002120
4110133301233201120
5330033020014010
614035455101240
71406243441331
oct243761574130
962722781076
1022007969880
119373a1a566
124322511820
1320c96b27b0
1410cac57288
1588c1a4e70
hex51fc6f858

22007969880 has 128 divisors (see below), whose sum is σ = 71142624000. Its totient is φ = 5414303232.

The previous prime is 22007969869. The next prime is 22007969909. The reversal of 22007969880 is 8896970022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4207827 + ... + 4213053.

It is an arithmetic number, because the mean of its divisors is an integer number (555801750).

Almost surely, 222007969880 is an apocalyptic number.

22007969880 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 22007969880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35571312000).

22007969880 is an abundant number, since it is smaller than the sum of its proper divisors (49134654120).

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

22007969880 is a wasteful number, since it uses less digits than its factorization.

22007969880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953 (or 7949 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 22007969880 in words is "twenty-two billion, seven million, nine hundred sixty-nine thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 2699 5227 5398 8097 10454 10796 13495 15681 16194 20908 21592 26135 26990 31362 32388 35087 40485 41816 52270 53980 62724 64776 67951 70174 78405 80970 104540 105261 107960 125448 135902 140348 156810 161940 175435 203853 209080 210522 271804 280696 313620 323880 339755 350870 407706 421044 526305 543608 627240 679510 701740 815412 842088 1019265 1052610 1359020 1403480 1630824 2038530 2105220 2718040 4077060 4210440 8154120 14107673 28215346 42323019 56430692 70538365 84646038 112861384 141076730 169292076 183399749 211615095 282153460 338584152 366799498 423230190 550199247 564306920 733598996 846460380 916998745 1100398494 1467197992 1692920760 1833997490 2200796988 2750996235 3667994980 4401593976 5501992470 7335989960 11003984940 22007969880