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142230431340 = 223252712915753
BaseRepresentation
bin1000010001110110011…
…0000010011001101100
3111121010021122112100100
42010131212002121230
54312241442300330
6145201215431100
713163413501404
oct2043546023154
9447107575310
10142230431340
1155357409228
1223694825490
13105489b9a5a
146c5394b804
153a76950060
hex211d98266c

142230431340 has 72 divisors (see below), whose sum is σ = 433024458048. Its totient is φ = 37788145920.

The previous prime is 142230431333. The next prime is 142230431341. The reversal of 142230431340 is 43134032241.

142230431340 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 304 + 313 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (142230431341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1409097 + ... + 1506656.

It is an arithmetic number, because the mean of its divisors is an integer number (6014228584).

Almost surely, 2142230431340 is an apocalyptic number.

142230431340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142230431340 is an abundant number, since it is smaller than the sum of its proper divisors (290794026708).

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

142230431340 is a wasteful number, since it uses less digits than its factorization.

142230431340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916039 (or 2916034 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 142230431340 its reverse (43134032241), we get a palindrome (185364463581).

The spelling of 142230431340 in words is "one hundred forty-two billion, two hundred thirty million, four hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 271 542 813 1084 1355 1626 2439 2710 3252 4065 4878 5420 8130 9756 12195 16260 24390 48780 2915753 5831506 8747259 11663012 14578765 17494518 26241777 29157530 34989036 43736295 52483554 58315060 87472590 104967108 131208885 174945180 262417770 524835540 790169063 1580338126 2370507189 3160676252 3950845315 4741014378 7111521567 7901690630 9482028756 11852535945 14223043134 15803381260 23705071890 28446086268 35557607835 47410143780 71115215670 142230431340