Search a number
-
+
50546243140 = 22517148665421
BaseRepresentation
bin101111000100110010…
…100111011001000100
311211110122200012100021
4233010302213121010
51312004314240030
635115353224524
73436403656231
oct570462473104
9154418605307
1050546243140
111a489044668
129967a02144
1349c6c96213
1426370c2788
1514ac7e497a
hexbc4ca7644

50546243140 has 24 divisors (see below), whose sum is σ = 112391059032. Its totient is φ = 19029173760.

The previous prime is 50546243131. The next prime is 50546243149. The reversal of 50546243140 is 4134264505.

It is an interprime number because it is at equal distance from previous prime (50546243131) and next prime (50546243149).

It can be written as a sum of positive squares in 4 ways, for example, as 18335326464 + 32210916676 = 135408^2 + 179474^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 50546243096 and 50546243105.

It is not an unprimeable number, because it can be changed into a prime (50546243149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74332371 + ... + 74333050.

It is an arithmetic number, because the mean of its divisors is an integer number (4682960793).

Almost surely, 250546243140 is an apocalyptic number.

It is an amenable number.

50546243140 is an abundant number, since it is smaller than the sum of its proper divisors (61844815892).

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

50546243140 is a wasteful number, since it uses less digits than its factorization.

50546243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148665447 (or 148665445 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 50546243140 in words is "fifty billion, five hundred forty-six million, two hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 148665421 297330842 594661684 743327105 1486654210 2527312157 2973308420 5054624314 10109248628 12636560785 25273121570 50546243140