Search a number
-
+
42531610524 = 22313272638529
BaseRepresentation
bin100111100111000101…
…001101111110011100
311001210002201200021020
4213213011031332130
51144101043014044
631312212004140
73033654503334
oct474705157634
9131702650236
1042531610524
1117045a92547
1282ab900650
13401a6cba60
1420b68ca0c4
15118dda8a19
hex9e714df9c

42531610524 has 24 divisors (see below), whose sum is σ = 106874303760. Its totient is φ = 13086649344.

The previous prime is 42531610489. The next prime is 42531610529. The reversal of 42531610524 is 42501613524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42531610529) 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, 136319109 + ... + 136319420.

It is an arithmetic number, because the mean of its divisors is an integer number (4453095990).

Almost surely, 242531610524 is an apocalyptic number.

It is an amenable number.

42531610524 is an abundant number, since it is smaller than the sum of its proper divisors (64342693236).

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

42531610524 is a wasteful number, since it uses less digits than its factorization.

42531610524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272638549 (or 272638547 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 42531610524 in words is "forty-two billion, five hundred thirty-one million, six hundred ten thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 272638529 545277058 817915587 1090554116 1635831174 3271662348 3544300877 7088601754 10632902631 14177203508 21265805262 42531610524