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142042401232 = 2421414146497
BaseRepresentation
bin1000010001001001100…
…0110000100111010000
3111120122011211121112021
42010102120300213100
54311400323314412
6145130421341224
713155641326564
oct2042230604720
9446564747467
10142042401232
1155270261446
1223641867814
1310518a63b34
146c369a36a4
153a651ac607
hex21126309d0

142042401232 has 20 divisors (see below), whose sum is σ = 275335760196. Its totient is φ = 70988011520.

The previous prime is 142042401223. The next prime is 142042401247. The reversal of 142042401232 is 232104240241.

It can be written as a sum of positive squares in 2 ways, for example, as 91496570256 + 50545830976 = 302484^2 + 224824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142042401197 and 142042401206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038993 + ... + 2107504.

Almost surely, 2142042401232 is an apocalyptic number.

It is an amenable number.

142042401232 is a deficient number, since it is larger than the sum of its proper divisors (133293358964).

142042401232 is a wasteful number, since it uses less digits than its factorization.

142042401232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148646 (or 4148640 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 142042401232 its reverse (232104240241), we get a palindrome (374146641473).

The spelling of 142042401232 in words is "one hundred forty-two billion, forty-two million, four hundred one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 2141 4282 8564 17128 34256 4146497 8292994 16585988 33171976 66343952 8877650077 17755300154 35510600308 71021200616 142042401232