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28828141320 = 23351122995369
BaseRepresentation
bin11010110110010010…
…101000011100001000
32202102002020022110210
4122312102220130020
5433020001010240
621124331041120
72040250105146
oct326622503410
982362208423
1028828141320
1111253809290
1257065a01a0
1329456748b4
141576962596
15b3aceb780
hex6b64a8708

28828141320 has 128 divisors (see below), whose sum is σ = 94759632000. Its totient is φ = 6958049280.

The previous prime is 28828141291. The next prime is 28828141379. The reversal of 28828141320 is 2314182882.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254596 + ... + 349964.

It is an arithmetic number, because the mean of its divisors is an integer number (740309625).

Almost surely, 228828141320 is an apocalyptic number.

28828141320 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 28828141320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47379816000).

28828141320 is an abundant number, since it is smaller than the sum of its proper divisors (65931490680).

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

28828141320 is a wasteful number, since it uses less digits than its factorization.

28828141320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95623 (or 95619 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 28828141320 in words is "twenty-eight billion, eight hundred twenty-eight million, one hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 229 264 330 440 458 660 687 916 1145 1320 1374 1832 2290 2519 2748 3435 4580 5038 5496 6870 7557 9160 10076 12595 13740 15114 20152 25190 27480 30228 37785 50380 60456 75570 95369 100760 151140 190738 286107 302280 381476 476845 572214 762952 953690 1049059 1144428 1430535 1907380 2098118 2288856 2861070 3147177 3814760 4196236 5245295 5722140 6294354 8392472 10490590 11444280 12588708 15735885 20981180 21839501 25177416 31471770 41962360 43679002 62943540 65518503 87358004 109197505 125887080 131037006 174716008 218395010 240234511 262074012 327592515 436790020 480469022 524148024 655185030 720703533 873580040 960938044 1201172555 1310370060 1441407066 1921876088 2402345110 2620740120 2882814132 3603517665 4804690220 5765628264 7207035330 9609380440 14414070660 28828141320