Search a number
-
+
45105031504 = 2413216851113
BaseRepresentation
bin101010000000011110…
…000010100101010000
311022102110002000012101
4222000132002211100
51214333342002004
632415421210144
73154513304401
oct520036024520
9138373060171
1045105031504
1118146683845
1288a9700954
13433a8c6b70
14227c5ad9a8
15128ec88ba4
hexa80782950

45105031504 has 20 divisors (see below), whose sum is σ = 94113383476. Its totient is φ = 20817706752.

The previous prime is 45105031501. The next prime is 45105031511. The reversal of 45105031504 is 40513050154.

It can be written as a sum of positive squares in 2 ways, for example, as 17595491904 + 27509539600 = 132648^2 + 165860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45105031501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108425349 + ... + 108425764.

Almost surely, 245105031504 is an apocalyptic number.

It is an amenable number.

45105031504 is an abundant number, since it is smaller than the sum of its proper divisors (49008351972).

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

45105031504 is a wasteful number, since it uses less digits than its factorization.

45105031504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216851134 (or 216851128 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 45105031504 its reverse (40513050154), we get a palindrome (85618081658).

The spelling of 45105031504 in words is "forty-five billion, one hundred five million, thirty-one thousand, five hundred four".

Divisors: 1 2 4 8 13 16 26 52 104 208 216851113 433702226 867404452 1734808904 2819064469 3469617808 5638128938 11276257876 22552515752 45105031504