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142245341320 = 2354218446873
BaseRepresentation
bin1000010001111001111…
…0111010100010001000
3111121011022201000222211
42010132132322202020
54312304301410240
6145202511154504
713163654310625
oct2043636724210
9447138630884
10142245341320
1155364872325
1223699815a34
131054bb0a424
146c5590d34c
153a77de7bea
hex211e7ba888

142245341320 has 32 divisors (see below), whose sum is σ = 320812274520. Its totient is φ = 56762979840.

The previous prime is 142245341263. The next prime is 142245341333. The reversal of 142245341320 is 23143542241.

It can be written as a sum of positive squares in 4 ways, for example, as 100639948644 + 41605392676 = 317238^2 + 203974^2 .

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 7 ways as a sum of consecutive naturals, for example, 4206597 + ... + 4240276.

Almost surely, 2142245341320 is an apocalyptic number.

142245341320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142245341320 is an abundant number, since it is smaller than the sum of its proper divisors (178566933200).

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

142245341320 is a wasteful number, since it uses less digits than its factorization.

142245341320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8447305 (or 8447301 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 142245341320 its reverse (23143542241), we get a palindrome (165388883561).

The spelling of 142245341320 in words is "one hundred forty-two billion, two hundred forty-five million, three hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 421 842 1684 2105 3368 4210 8420 16840 8446873 16893746 33787492 42234365 67574984 84468730 168937460 337874920 3556133533 7112267066 14224534132 17780667665 28449068264 35561335330 71122670660 142245341320