Search a number
-
+
142020142112 = 254438129441
BaseRepresentation
bin1000010001000100001…
…1110110010000100000
3111120120121221201202102
42010101003312100200
54311324124021422
6145124304305532
713155251201312
oct2042103662040
9446517851672
10142020142112
1155259738882
12236363122a8
131051426c364
146c33a4b7b2
153a63262192
hex21110f6420

142020142112 has 12 divisors (see below), whose sum is σ = 279602154846. Its totient is φ = 71010071040.

The previous prime is 142020142081. The next prime is 142020142157. The reversal of 142020142112 is 211241020241.

It can be written as a sum of positive squares in only one way, i.e., 141981254416 + 38887696 = 376804^2 + 6236^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219064689 + ... + 2219064752.

Almost surely, 2142020142112 is an apocalyptic number.

It is an amenable number.

142020142112 is a deficient number, since it is larger than the sum of its proper divisors (137582012734).

142020142112 is an equidigital number, since it uses as much as digits as its factorization.

142020142112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438129451 (or 4438129443 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 142020142112 its reverse (211241020241), we get a palindrome (353261162353).

The spelling of 142020142112 in words is "one hundred forty-two billion, twenty million, one hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 4438129441 8876258882 17752517764 35505035528 71010071056 142020142112