Search a number
-
+
142510544220 = 223511215925067
BaseRepresentation
bin1000010010111001001…
…0100101010101011100
3111121211210201201222110
42010232102211111130
54313330144403340
6145245103314020
713203354432132
oct2045622452534
9447753651873
10142510544220
115549053a180
12237525ab910
1310591a43915
146c7cc25752
153a91331680
hex212e4a555c

142510544220 has 48 divisors (see below), whose sum is σ = 435304937088. Its totient is φ = 34548010560.

The previous prime is 142510544207. The next prime is 142510544269. The reversal of 142510544220 is 22445015241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 107961874 + ... + 107963193.

It is an arithmetic number, because the mean of its divisors is an integer number (9068852856).

Almost surely, 2142510544220 is an apocalyptic number.

142510544220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142510544220 is an abundant number, since it is smaller than the sum of its proper divisors (292794392868).

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

142510544220 is a wasteful number, since it uses less digits than its factorization.

142510544220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215925090 (or 215925088 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 142510544220 its reverse (22445015241), we get a palindrome (164955559461).

The spelling of 142510544220 in words is "one hundred forty-two billion, five hundred ten million, five hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 215925067 431850134 647775201 863700268 1079625335 1295550402 2159250670 2375175737 2591100804 3238876005 4318501340 4750351474 6477752010 7125527211 9500702948 11875878685 12955504020 14251054422 23751757370 28502108844 35627636055 47503514740 71255272110 142510544220