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40142433512 = 236529768541
BaseRepresentation
bin100101011000101011…
…001110110011101000
310211121121001220112202
4211120223032303220
51124202430333022
630235143355332
72620524024566
oct453053166350
9124547056482
1040142433512
111602a3a2495
127943752b48
133a2973244c
141d2b486a36
15109e26e592
hex958acece8

40142433512 has 16 divisors (see below), whose sum is σ = 75278688900. Its totient is φ = 20068116480.

The previous prime is 40142433509. The next prime is 40142433517. The reversal of 40142433512 is 21533424104.

40142433512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39834571396 + 307862116 = 199586^2 + 17546^2 .

It is a super-2 number, since 2×401424335122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40142433517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332039 + ... + 436502.

Almost surely, 240142433512 is an apocalyptic number.

It is an amenable number.

40142433512 is a deficient number, since it is larger than the sum of its proper divisors (35136255388).

40142433512 is a wasteful number, since it uses less digits than its factorization.

40142433512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775076 (or 775072 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 40142433512 its reverse (21533424104), we get a palindrome (61675857616).

The spelling of 40142433512 in words is "forty billion, one hundred forty-two million, four hundred thirty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 6529 13058 26116 52232 768541 1537082 3074164 6148328 5017804189 10035608378 20071216756 40142433512