Search a number
-
+
142035530240 = 29555482629
BaseRepresentation
bin1000010001000111111…
…0100011001000000000
3111120121200220112022002
42010101332203020000
54311342043431430
6145130014203132
713155526041542
oct2042176431000
9446550815262
10142035530240
115526739913a
122363b4b34a8
13105174c9566
146c35ad5692
153a647a1845
hex2111fa3200

142035530240 has 40 divisors (see below), whose sum is σ = 340552382940. Its totient is φ = 56814211072.

The previous prime is 142035530227. The next prime is 142035530257. The reversal of 142035530240 is 42035530241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 133277565184 + 8757965056 = 365072^2 + 93584^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27738755 + ... + 27743874.

Almost surely, 2142035530240 is an apocalyptic number.

142035530240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142035530240 is an abundant number, since it is smaller than the sum of its proper divisors (198516852700).

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

142035530240 is an frugal number, since it uses more digits than its factorization.

142035530240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55482652 (or 55482636 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Subtracting from 142035530240 its reverse (42035530241), we obtain a palindrome (99999999999).

The spelling of 142035530240 in words is "one hundred forty-two billion, thirty-five million, five hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 55482629 110965258 221930516 277413145 443861032 554826290 887722064 1109652580 1775444128 2219305160 3550888256 4438610320 7101776512 8877220640 14203553024 17754441280 28407106048 35508882560 71017765120 142035530240