Search a number
-
+
142424241140 = 22515733452629
BaseRepresentation
bin1000010010100100100…
…1010111001111110100
3111121121210100002102002
42010221021113033310
54313141101204030
6145232341434432
713201256034506
oct2045111271764
9447553302362
10142424241140
1155446853415
122372970ba18
1310579bb75cc
146c7159bd76
153a88985245
hex21292573f4

142424241140 has 24 divisors (see below), whose sum is σ = 299110577640. Its totient is φ = 56965949568.

The previous prime is 142424241109. The next prime is 142424241217. The reversal of 142424241140 is 41142424241.

It can be written as a sum of positive squares in 4 ways, for example, as 15286355044 + 127137886096 = 123638^2 + 356564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88346 + ... + 540974.

It is an arithmetic number, because the mean of its divisors is an integer number (12462940735).

Almost surely, 2142424241140 is an apocalyptic number.

142424241140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142424241140 is an abundant number, since it is smaller than the sum of its proper divisors (156686336500).

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

142424241140 is a wasteful number, since it uses less digits than its factorization.

142424241140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468371 (or 468369 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 142424241140 its reverse (41142424241), we get a palindrome (183566665381).

The spelling of 142424241140 in words is "one hundred forty-two billion, four hundred twenty-four million, two hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 15733 31466 62932 78665 157330 314660 452629 905258 1810516 2263145 4526290 9052580 7121212057 14242424114 28484848228 35606060285 71212120570 142424241140