Search a number
-
+
38184460961 = 269141949669
BaseRepresentation
bin100011100011111110…
…001010001010100001
310122120010210121010212
4203203332022022201
51111200210222321
625313001303505
72521150364033
oct434376121241
9118503717125
1038184460961
1115215150759
127497a94b95
1337a6bb16ca
141bc340bc53
15ed740e55b
hex8e3f8a2a1

38184460961 has 4 divisors (see below), whose sum is σ = 38326410900. Its totient is φ = 38042511024.

The previous prime is 38184460901. The next prime is 38184460967. The reversal of 38184460961 is 16906448183.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1385328400 + 36799132561 = 37220^2 + 191831^2 .

It is a cyclic number.

It is not a de Polignac number, because 38184460961 - 230 = 37110719137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38184460967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70974566 + ... + 70975103.

It is an arithmetic number, because the mean of its divisors is an integer number (9581602725).

Almost surely, 238184460961 is an apocalyptic number.

It is an amenable number.

38184460961 is a deficient number, since it is larger than the sum of its proper divisors (141949939).

38184460961 is a wasteful number, since it uses less digits than its factorization.

38184460961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141949938.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 38184460961 in words is "thirty-eight billion, one hundred eighty-four million, four hundred sixty thousand, nine hundred sixty-one".

Divisors: 1 269 141949669 38184460961