Search a number
-
+
39937480705 = 531325519157
BaseRepresentation
bin100101001100011101…
…011001100000000001
310211002022102020011001
4211030131121200001
51123242443340310
630202542452001
72612454661543
oct451435314001
9124068366131
1039937480705
1115a34737401
1278a6b94001
1339c61329b5
141d0c175693
15108b28793a
hex94c759801

39937480705 has 8 divisors (see below), whose sum is σ = 48078093672. Its totient is φ = 31847906688.

The previous prime is 39937480651. The next prime is 39937480733. The reversal of 39937480705 is 50708473993.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1743814081 + 38193666624 = 41759^2 + 195432^2 .

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 39937480705 - 219 = 39936956417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12758014 + ... + 12761143.

It is an arithmetic number, because the mean of its divisors is an integer number (6009761709).

Almost surely, 239937480705 is an apocalyptic number.

It is an amenable number.

39937480705 is a deficient number, since it is larger than the sum of its proper divisors (8140612967).

39937480705 is a wasteful number, since it uses less digits than its factorization.

39937480705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25519475.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 39937480705 in words is "thirty-nine billion, nine hundred thirty-seven million, four hundred eighty thousand, seven hundred five".

Divisors: 1 5 313 1565 25519157 127595785 7987496141 39937480705