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28401728150 = 2521423399181
BaseRepresentation
bin11010011100110111…
…111111101010010110
32201022100212021120102
4122130313333222112
5431131320300100
621014135334102
72023551464105
oct323467775226
981270767512
1028401728150
1111055042804
125607821332
1328a8215b03
14153608403c
15b1366bcd5
hex69cdffa96

28401728150 has 24 divisors (see below), whose sum is σ = 52864470624. Its totient is φ = 11352679200.

The previous prime is 28401728141. The next prime is 28401728167. The reversal of 28401728150 is 5182710482.

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 11 ways as a sum of consecutive naturals, for example, 128441 + ... + 270740.

It is an arithmetic number, because the mean of its divisors is an integer number (2202686276).

Almost surely, 228401728150 is an apocalyptic number.

28401728150 is a deficient number, since it is larger than the sum of its proper divisors (24462742474).

28401728150 is a wasteful number, since it uses less digits than its factorization.

28401728150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400616 (or 400611 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 28401728150 in words is "twenty-eight billion, four hundred one million, seven hundred twenty-eight thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 1423 2846 7115 14230 35575 71150 399181 798362 1995905 3991810 9979525 19959050 568034563 1136069126 2840172815 5680345630 14200864075 28401728150