Search a number
-
+
87344028543 = 345667637543
BaseRepresentation
bin101000101011000011…
…1000001101101111111
322100110011012101020010
41101112013001231333
52412340032403133
6104043021354303
76211315664352
oct1212607015577
9270404171203
1087344028543
1134051477462
1214b17408993
13830c7b2c35
14432828a299
1524130e2263
hex14561c1b7f

87344028543 has 8 divisors (see below), whose sum is σ = 116461437568. Its totient is φ = 58227985944.

The previous prime is 87344028533. The next prime is 87344028559. The reversal of 87344028543 is 34582044378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87344028543 - 217 = 87343897471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87344028492 and 87344028501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87344028523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181771 + ... + 455772.

It is an arithmetic number, because the mean of its divisors is an integer number (14557679696).

Almost surely, 287344028543 is an apocalyptic number.

87344028543 is a deficient number, since it is larger than the sum of its proper divisors (29117409025).

87344028543 is a wasteful number, since it uses less digits than its factorization.

87344028543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683213.

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 87344028543 in words is "eighty-seven billion, three hundred forty-four million, twenty-eight thousand, five hundred forty-three".

Divisors: 1 3 45667 137001 637543 1912629 29114676181 87344028543