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19829301072 = 2437373374733
BaseRepresentation
bin10010011101111010…
…110001111101010000
31220011221022212100020
4102131322301331100
5311102300113242
613035350423440
71301250164250
oct223572617520
956157285306
1019829301072
11845613a429
123a14961b80
131b4020c459
14d6176d960
157b0c9d6ec
hex49deb1f50

19829301072 has 160 divisors (see below), whose sum is σ = 60317068032. Its totient is φ = 5494874112.

The previous prime is 19829301067. The next prime is 19829301073. The reversal of 19829301072 is 27010392891.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19829301073) by changing a digit.

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, 4187218 + ... + 4191950.

Almost surely, 219829301072 is an apocalyptic number.

19829301072 is a gapful number since it is divisible by the number (12) 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 19829301072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30158534016).

19829301072 is an abundant number, since it is smaller than the sum of its proper divisors (40487766960).

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

19829301072 is a wasteful number, since it uses less digits than its factorization.

19829301072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125 (or 5119 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 19829301072 in words is "nineteen billion, eight hundred twenty-nine million, three hundred one thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 37 42 48 56 74 84 111 112 148 168 222 259 296 336 337 444 518 592 674 777 888 1011 1036 1348 1554 1776 2022 2072 2359 2696 3108 4044 4144 4718 4733 5392 6216 7077 8088 9436 9466 12432 12469 14154 14199 16176 18872 18932 24938 28308 28398 33131 37407 37744 37864 49876 56616 56796 66262 74814 75728 87283 99393 99752 113232 113592 132524 149628 174566 175121 198786 199504 227184 261849 265048 299256 349132 350242 397572 523698 525363 530096 598512 698264 700484 795144 1047396 1050726 1225847 1396528 1400968 1590288 1595021 2094792 2101452 2451694 2801936 3190042 3677541 4189584 4202904 4785063 4903388 6380084 7355082 8405808 9570126 9806776 11165147 12760168 14710164 19140252 19613552 22330294 25520336 29420328 33495441 38280504 44660588 58840656 59015777 66990882 76561008 89321176 118031554 133981764 177047331 178642352 236063108 267963528 354094662 413110439 472126216 535927056 708189324 826220878 944252432 1239331317 1416378648 1652441756 2478662634 2832757296 3304883512 4957325268 6609767024 9914650536 19829301072