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82800028260028 = 221959733239910501
BaseRepresentation
bin10010110100111001100010…
…010001011001011010111100
3101212011121100100000101001101
4102310321202101121122330
541323043424213310103
6452033450255422444
723304050613461242
oct2264714221313274
9355147310011041
1082800028260028
11244233273a6912
129353249b24a24
133728017188c61
141663785444792
15988c4343ba1d
hex4b4e624596bc

82800028260028 has 96 divisors (see below), whose sum is σ = 155402714880000. Its totient is φ = 38483986464000.

The previous prime is 82800028260013. The next prime is 82800028260041. The reversal of 82800028260028 is 82006282000828.

It is a super-4 number, since 4×828000282600284 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 82800028260028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7884960778 + ... + 7884971278.

It is an arithmetic number, because the mean of its divisors is an integer number (1618778280000).

Almost surely, 282800028260028 is an apocalyptic number.

It is an amenable number.

82800028260028 is a deficient number, since it is larger than the sum of its proper divisors (72602686619972).

82800028260028 is a wasteful number, since it uses less digits than its factorization.

82800028260028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715 (or 13713 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 46.

The spelling of 82800028260028 in words is "eighty-two trillion, eight hundred billion, twenty-eight million, two hundred sixty thousand, twenty-eight".

Divisors: 1 2 4 19 38 59 76 118 236 733 1121 1466 2242 2399 2932 4484 4798 9596 10501 13927 21002 27854 42004 43247 45581 55708 86494 91162 141541 172988 182324 199519 283082 399038 566164 619559 798076 821693 1239118 1643386 1758467 2478236 2689279 3286772 3516934 5378558 7033868 7697233 10757116 11771621 15394466 23543242 25191899 30788932 33410873 47086484 50383798 66821746 100767596 103749553 133643492 146247427 207499106 292494854 414998212 454136747 478646081 584989708 908273494 957292162 1486322041 1816546988 1914584324 1971241507 2972644082 3942483014 5945288164 7884966028 8628598193 17257196386 18465661967 28240118779 34514392772 36931323934 56480237558 73862647868 112960475116 350847577373 701695154746 1089474056053 1403390309492 2178948112106 4357896224212 20700007065007 41400014130014 82800028260028