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39852383393 = 297937173141
BaseRepresentation
bin100101000111011000…
…110001110010100001
310210212101021211120202
4211013120301302201
51123104202232033
630150302514545
72610402445454
oct450730616241
9123771254522
1039852383393
11159a06a4549
127882595a55
1339b1609464
141d00b4349b
151083a788e8
hex947631ca1

39852383393 has 8 divisors (see below), whose sum is σ = 41232035880. Its totient is φ = 38473093120.

The previous prime is 39852383387. The next prime is 39852383407. The reversal of 39852383393 is 39338325893.

It can be written as a sum of positive squares in 4 ways, for example, as 27261972544 + 12590410849 = 165112^2 + 112207^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 39852383393 - 210 = 39852382369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39852383693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143603 + ... + 316743.

It is an arithmetic number, because the mean of its divisors is an integer number (5154004485).

Almost surely, 239852383393 is an apocalyptic number.

It is an amenable number.

39852383393 is a deficient number, since it is larger than the sum of its proper divisors (1379652487).

39852383393 is a wasteful number, since it uses less digits than its factorization.

39852383393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181107.

The product of its digits is 12597120, while the sum is 56.

The spelling of 39852383393 in words is "thirty-nine billion, eight hundred fifty-two million, three hundred eighty-three thousand, three hundred ninety-three".

Divisors: 1 29 7937 173141 230173 5021089 1374220117 39852383393