Search a number
-
+
3380147681 = 4512774903
BaseRepresentation
bin1100100101111000…
…1111010111100001
322201120100021220212
43021132033113201
523410304211211
61315224143505
7146522531651
oct31136172741
98646307825
103380147681
111485006a89
127a4007b95
1341b3949b1
14240cc0361
1514bb3538b
hexc978f5e1

3380147681 has 4 divisors (see below), whose sum is σ = 3380267712. Its totient is φ = 3380027652.

The previous prime is 3380147653. The next prime is 3380147717. The reversal of 3380147681 is 1867410833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1867410833 = 2964393477.

It is a cyclic number.

It is not a de Polignac number, because 3380147681 - 222 = 3375953377 is a prime.

It is a super-2 number, since 2×33801476812 = 22850796690739355522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3380144681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7676 + ... + 82578.

It is an arithmetic number, because the mean of its divisors is an integer number (845066928).

Almost surely, 23380147681 is an apocalyptic number.

It is an amenable number.

3380147681 is a deficient number, since it is larger than the sum of its proper divisors (120031).

3380147681 is an equidigital number, since it uses as much as digits as its factorization.

3380147681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120030.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 3380147681 is about 58139.0374963329. The cubic root of 3380147681 is about 1500.7622320100.

The spelling of 3380147681 in words is "three billion, three hundred eighty million, one hundred forty-seven thousand, six hundred eighty-one".

Divisors: 1 45127 74903 3380147681