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28372481300 = 22521033274661
BaseRepresentation
bin11010011011001000…
…011011010100010100
32201020022211101102202
4122123020123110110
5431101323400200
621011212424032
72023045053242
oct323310332424
981208741382
1028372481300
111103a587159
1255b9a78018
1328a2145897
14153222d792
15b10ce11d5
hex69b21b514

28372481300 has 36 divisors (see below), whose sum is σ = 61628110236. Its totient is φ = 11337964800.

The previous prime is 28372481297. The next prime is 28372481311. The reversal of 28372481300 is 318427382.

It can be written as a sum of positive squares in 6 ways, for example, as 1227941764 + 27144539536 = 35042^2 + 164756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34031 + ... + 240630.

It is an arithmetic number, because the mean of its divisors is an integer number (1711891951).

Almost surely, 228372481300 is an apocalyptic number.

28372481300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28372481300 is an abundant number, since it is smaller than the sum of its proper divisors (33255628936).

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

28372481300 is a wasteful number, since it uses less digits than its factorization.

28372481300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275708 (or 275701 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 28372481300 in words is "twenty-eight billion, three hundred seventy-two million, four hundred eighty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1033 2066 4132 5165 10330 20660 25825 51650 103300 274661 549322 1098644 1373305 2746610 5493220 6866525 13733050 27466100 283724813 567449626 1134899252 1418624065 2837248130 5674496260 7093120325 14186240650 28372481300