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39161062642 = 2131506194717
BaseRepresentation
bin100100011110001011…
…100110010011110010
310202002012110002210111
4210132023212103302
51120200213001032
625553525251534
72554306353202
oct443613462362
9122065402714
1039161062642
1115676442a89
12770ab63baa
133901318720
141c76dc8402
15104301cc47
hex91e2e64f2

39161062642 has 8 divisors (see below), whose sum is σ = 63260178156. Its totient is φ = 18074336592.

The previous prime is 39161062639. The next prime is 39161062643. The reversal of 39161062642 is 24626016193.

39161062642 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 35242177441 + 3918885201 = 187729^2 + 62601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 39161062595 and 39161062604.

It is not an unprimeable number, because it can be changed into a prime (39161062643) 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, 753097333 + ... + 753097384.

Almost surely, 239161062642 is an apocalyptic number.

39161062642 is a deficient number, since it is larger than the sum of its proper divisors (24099115514).

39161062642 is a wasteful number, since it uses less digits than its factorization.

39161062642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506194732.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 39161062642 in words is "thirty-nine billion, one hundred sixty-one million, sixty-two thousand, six hundred forty-two".

Divisors: 1 2 13 26 1506194717 3012389434 19580531321 39161062642