Search a number
-
+
37739937145 = 519738314657
BaseRepresentation
bin100011001001011110…
…011011110101111001
310121102011100110002211
4203021132123311321
51104242410442040
625200521455121
72504142113161
oct431136336571
9117364313084
1037739937145
11150072353a9
1273930414a1
133735a81471
141b803775a1
15ead3a38ea
hex8c979bd79

37739937145 has 8 divisors (see below), whose sum is σ = 45517813704. Its totient is φ = 30038690304.

The previous prime is 37739937091. The next prime is 37739937163. The reversal of 37739937145 is 54173993773.

It can be written as a sum of positive squares in 4 ways, for example, as 11060308224 + 26679628921 = 105168^2 + 163339^2 .

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 37739937145 - 27 = 37739937017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37739937145.

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, 19156344 + ... + 19158313.

It is an arithmetic number, because the mean of its divisors is an integer number (5689726713).

Almost surely, 237739937145 is an apocalyptic number.

It is an amenable number.

37739937145 is a deficient number, since it is larger than the sum of its proper divisors (7777876559).

37739937145 is a wasteful number, since it uses less digits than its factorization.

37739937145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38314859.

The product of its digits is 15002820, while the sum is 58.

The spelling of 37739937145 in words is "thirty-seven billion, seven hundred thirty-nine million, nine hundred thirty-seven thousand, one hundred forty-five".

Divisors: 1 5 197 985 38314657 191573285 7547987429 37739937145