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28033025775500 = 225383675494597
BaseRepresentation
bin1100101111110111100101…
…00010110001011110001100
310200020221010202200010120102
412113323302202301132030
512133243114044304000
6135342105543110232
75622214340344664
oct627736242613614
9120227122603512
1028033025775500
118a2881525a209
123188ba3742378
1312846700aa695
146ccb3cb3b1a4
1533930b3ab3d5
hex197ef28b178c

28033025775500 has 48 divisors (see below), whose sum is σ = 61961768485344. Its totient is φ = 11078111374400.

The previous prime is 28033025775479. The next prime is 28033025775509. The reversal of 28033025775500 is 557752033082.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28033025775509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337705799 + ... + 337788798.

It is an arithmetic number, because the mean of its divisors is an integer number (1290870176778).

Almost surely, 228033025775500 is an apocalyptic number.

28033025775500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28033025775500 is an abundant number, since it is smaller than the sum of its proper divisors (33928742709844).

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

28033025775500 is a wasteful number, since it uses less digits than its factorization.

28033025775500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675494699 (or 675494687 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 28033025775500 in words is "twenty-eight trillion, thirty-three billion, twenty-five million, seven hundred seventy-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 125 166 250 332 415 500 830 1660 2075 4150 8300 10375 20750 41500 675494597 1350989194 2701978388 3377472985 6754945970 13509891940 16887364925 33774729850 56066051551 67549459700 84436824625 112132103102 168873649250 224264206204 280330257755 337747298500 560660515510 1121321031020 1401651288775 2803302577550 5606605155100 7008256443875 14016512887750 28033025775500