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28083556106 = 243959353939
BaseRepresentation
bin11010001001111010…
…010000111100001010
32200111012011110120122
4122021322100330022
5430003342243411
620522412023242
72012636200604
oct321172207412
980435143518
1028083556106
1110a01487401
125539161b22
132857324928
141505b00174
15ae576d9db
hex689e90f0a

28083556106 has 16 divisors (see below), whose sum is σ = 42293275200. Its totient is φ = 13985907648.

The previous prime is 28083556093. The next prime is 28083556139. The reversal of 28083556106 is 60165538082.

It is a super-3 number, since 3×280835561063 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493685 + ... + 547623.

It is an arithmetic number, because the mean of its divisors is an integer number (2643329700).

Almost surely, 228083556106 is an apocalyptic number.

28083556106 is a deficient number, since it is larger than the sum of its proper divisors (14209719094).

28083556106 is a wasteful number, since it uses less digits than its factorization.

28083556106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54973.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 28083556106 in words is "twenty-eight billion, eighty-three million, five hundred fifty-six thousand, one hundred six".

Divisors: 1 2 439 593 878 1186 53939 107878 260327 520654 23679221 31985827 47358442 63971654 14041778053 28083556106