Search a number
-
+
38450135011745 = 510617247904809
BaseRepresentation
bin10001011111000010111101…
…01000111001000110100001
312001010210112000112000021002
420233201132220321012201
520014431334030333440
6213435425334441345
711045634122025452
oct1057413650710641
9161123460460232
1038450135011745
1111284679903a96
12438ba88503255
13185baa8393162
1496cdd4425129
1546a299c9b115
hex22f85ea391a1

38450135011745 has 8 divisors (see below), whose sum is σ = 46183649449320. Its totient is φ = 30731116385920.

The previous prime is 38450135011721. The next prime is 38450135011781. The reversal of 38450135011745 is 54711053105483.

It can be written as a sum of positive squares in 4 ways, for example, as 18772739893504 + 19677395118241 = 4332752^2 + 4435921^2 .

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

It is not a de Polignac number, because 38450135011745 - 28 = 38450135011489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38450135011745.

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, 3623947100 + ... + 3623957709.

It is an arithmetic number, because the mean of its divisors is an integer number (5772956181165).

Almost surely, 238450135011745 is an apocalyptic number.

It is an amenable number.

38450135011745 is a deficient number, since it is larger than the sum of its proper divisors (7733514437575).

38450135011745 is a wasteful number, since it uses less digits than its factorization.

38450135011745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247905875.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 38450135011745 in words is "thirty-eight trillion, four hundred fifty billion, one hundred thirty-five million, eleven thousand, seven hundred forty-five".

Divisors: 1 5 1061 5305 7247904809 36239524045 7690027002349 38450135011745