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28037413080 = 233251923315749
BaseRepresentation
bin11010000111001010…
…001111100011011000
32200100222100011020200
4122013022033203120
5424410034204310
620514043022200
72011536036045
oct320712174330
980328304220
1028037413080
1110988430476
12552580a960
13284a8b9c71
1414dd92c1cc
15ae16a69c0
hex68728f8d8

28037413080 has 384 divisors, whose sum is σ = 103334400000. Its totient is φ = 6555479040.

The previous prime is 28037413051. The next prime is 28037413097. The reversal of 28037413080 is 8031473082.

28037413080 is a `hidden beast` number, since 2 + 80 + 374 + 130 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 4874046 + ... + 4879794.

It is an arithmetic number, because the mean of its divisors is an integer number (269100000).

Almost surely, 228037413080 is an apocalyptic number.

28037413080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28037413080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51667200000).

28037413080 is an abundant number, since it is smaller than the sum of its proper divisors (75296986920).

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

28037413080 is a wasteful number, since it uses less digits than its factorization.

28037413080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5832 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 28037413080 in words is "twenty-eight billion, thirty-seven million, four hundred thirteen thousand, eighty".