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28318151084 = 227486994559
BaseRepresentation
bin11010010111111001…
…001011000110101100
32201002112121010101112
4122113321023012230
5430443421313314
621001552131152
72021515212146
oct322771130654
981075533345
1028318151084
1111011949053
1255a3836ab8
132893b02522
141528d29c96
15b0b15d43e
hex697e4b1ac

28318151084 has 12 divisors (see below), whose sum is σ = 49557950400. Its totient is φ = 14158736688.

The previous prime is 28318151077. The next prime is 28318151107. The reversal of 28318151084 is 48015181382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252197 + ... + 346755.

It is an arithmetic number, because the mean of its divisors is an integer number (4129829200).

Almost surely, 228318151084 is an apocalyptic number.

It is an amenable number.

28318151084 is a deficient number, since it is larger than the sum of its proper divisors (21239799316).

28318151084 is a wasteful number, since it uses less digits than its factorization.

28318151084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169432 (or 169430 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 28318151084 in words is "twenty-eight billion, three hundred eighteen million, one hundred fifty-one thousand, eighty-four".

Divisors: 1 2 4 74869 94559 149738 189118 299476 378236 7079537771 14159075542 28318151084