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22864801728 = 263151788659
BaseRepresentation
bin10101010010110110…
…010010111111000000
32012000111011021102110
4111102312102333000
5333311342123403
614300504015320
71436416415346
oct252266227700
965014137373
1022864801728
119773647a5a
124521461540
1322050735a2
14116c977996
158dc506103
hex552d92fc0

22864801728 has 56 divisors (see below), whose sum is σ = 60897170560. Its totient is φ = 7571116800.

The previous prime is 22864801727. The next prime is 22864801733. The reversal of 22864801728 is 82710846822.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22864801727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365338 + ... + 423321.

Almost surely, 222864801728 is an apocalyptic number.

It is an amenable number.

22864801728 is an abundant number, since it is smaller than the sum of its proper divisors (38032368832).

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

22864801728 is a wasteful number, since it uses less digits than its factorization.

22864801728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788825 (or 788815 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 22864801728 in words is "twenty-two billion, eight hundred sixty-four million, eight hundred one thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 151 192 302 453 604 906 1208 1812 2416 3624 4832 7248 9664 14496 28992 788659 1577318 2365977 3154636 4731954 6309272 9463908 12618544 18927816 25237088 37855632 50474176 75711264 119087509 151422528 238175018 357262527 476350036 714525054 952700072 1429050108 1905400144 2858100216 3810800288 5716200432 7621600576 11432400864 22864801728