Search a number
-
+
5428178910 = 23257115314779
BaseRepresentation
bin1010000111000101…
…10110111111011110
3112000022002001121100
411003202312333132
542104103211120
62254344413530
7251341521330
oct50342667736
915008061540
105428178910
11233607a180
121075a772a6
136867882ab
14396cbd450
1521b834490
hex1438b6fde

5428178910 has 192 divisors, whose sum is σ = 17928967680. Its totient is φ = 1106576640.

The previous prime is 5428178909. The next prime is 5428178911. The reversal of 5428178910 is 198718245.

5428178910 is a `hidden beast` number, since 542 + 8 + 17 + 8 + 91 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5428178909) and next prime (5428178911).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428178911) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 359901 + ... + 374679.

It is an arithmetic number, because the mean of its divisors is an integer number (93380040).

Almost surely, 25428178910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5428178910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8964483840).

5428178910 is an abundant number, since it is smaller than the sum of its proper divisors (12500788770).

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

5428178910 is a wasteful number, since it uses less digits than its factorization.

5428178910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14863 (or 14860 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 5428178910 is about 73676.1760001155. The cubic root of 5428178910 is about 1757.4570401342.

The spelling of 5428178910 in words is "five billion, four hundred twenty-eight million, one hundred seventy-eight thousand, nine hundred ten".