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3780522115 = 5756104423
BaseRepresentation
bin1110000101010110…
…0011000010000011
3100202110201102101121
43201111203002003
530220303201430
61423045413111
7162453623236
oct34125430203
910673642347
103780522115
111670008247
1289610a197
13483307846
1427c14141d
15171d6ea7a
hexe1563083

3780522115 has 4 divisors (see below), whose sum is σ = 4536626544. Its totient is φ = 3024417688.

The previous prime is 3780522113. The next prime is 3780522149. The reversal of 3780522115 is 5112250873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3780522115 - 21 = 3780522113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780522113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378052207 + ... + 378052216.

It is an arithmetic number, because the mean of its divisors is an integer number (1134156636).

Almost surely, 23780522115 is an apocalyptic number.

3780522115 is a deficient number, since it is larger than the sum of its proper divisors (756104429).

3780522115 is an equidigital number, since it uses as much as digits as its factorization.

3780522115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756104428.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 3780522115 is about 61485.9505496987. The cubic root of 3780522115 is about 1557.8199489216.

Adding to 3780522115 its reverse (5112250873), we get a palindrome (8892772988).

The spelling of 3780522115 in words is "three billion, seven hundred eighty million, five hundred twenty-two thousand, one hundred fifteen".

Divisors: 1 5 756104423 3780522115