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28058048075 = 523136203933
BaseRepresentation
bin11010001000011000…
…111101011001001011
32200102102011112010202
4122020120331121023
5424430330014300
620520101202415
72012206321301
oct321030753113
980372145122
1028058048075
1110999044892
12553070040b
132851c63415
141502580271
hex68863d64b

28058048075 has 12 divisors (see below), whose sum is σ = 35914302528. Its totient is φ = 21722359200.

The previous prime is 28058048023. The next prime is 28058048093. The reversal of 28058048075 is 57084085082.

It is not a de Polignac number, because 28058048075 - 28 = 28058047819 is a prime.

It is a super-2 number, since 2×280580480752 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18101192 + ... + 18102741.

It is an arithmetic number, because the mean of its divisors is an integer number (2992858544).

Almost surely, 228058048075 is an apocalyptic number.

28058048075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28058048075 is a deficient number, since it is larger than the sum of its proper divisors (7856254453).

28058048075 is a wasteful number, since it uses less digits than its factorization.

28058048075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36203974 (or 36203969 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 28058048075 in words is "twenty-eight billion, fifty-eight million, forty-eight thousand, seventy-five".