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16687083480 = 2335894433527
BaseRepresentation
bin11111000101010000…
…01010111111011000
31121001221200200010220
433202220022333120
5233133343132410
611355502040040
71130343604104
oct174250127730
947057620126
1016687083480
117093472891
123298579020
13175c2223c2
14b44306904
15679eb6070
hex3e2a0afd8

16687083480 has 128 divisors (see below), whose sum is σ = 50752396800. Its totient is φ = 4388713472.

The previous prime is 16687083433. The next prime is 16687083493. The reversal of 16687083480 is 8438078661.

It is a congruent number.

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, 4729477 + ... + 4733003.

It is an arithmetic number, because the mean of its divisors is an integer number (396503100).

Almost surely, 216687083480 is an apocalyptic number.

16687083480 is a gapful number since it is divisible by the number (10) 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 16687083480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25376198400).

16687083480 is an abundant number, since it is smaller than the sum of its proper divisors (34065313320).

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

16687083480 is a wasteful number, since it uses less digits than its factorization.

16687083480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 16687083480 in words is "sixteen billion, six hundred eighty-seven million, eighty-three thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 89 120 178 267 356 443 445 534 712 886 890 1068 1329 1335 1772 1780 2136 2215 2658 2670 3527 3544 3560 4430 5316 5340 6645 7054 8860 10581 10632 10680 13290 14108 17635 17720 21162 26580 28216 35270 39427 42324 52905 53160 70540 78854 84648 105810 118281 141080 157708 197135 211620 236562 313903 315416 394270 423240 473124 591405 627806 788540 941709 946248 1182810 1255612 1562461 1569515 1577080 1883418 2365620 2511224 3124922 3139030 3766836 4687383 4708545 4731240 6249844 6278060 7533672 7812305 9374766 9417090 12499688 12556120 15624610 18749532 18834180 23436915 31249220 37499064 37668360 46873830 62498440 93747660 139059029 187495320 278118058 417177087 556236116 695295145 834354174 1112472232 1390590290 1668708348 2085885435 2781180580 3337416696 4171770870 5562361160 8343541740 16687083480