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3664215361 = 11971306091
BaseRepresentation
bin1101101001100111…
…0111110101000001
3100110100212102112001
43122121313311001
530001014342421
61403332504001
7156542213422
oct33231676501
910410772461
103664215361
111610399264
1286317b001
134651a4991
1426a907649
15166a48691
hexda677d41

3664215361 has 4 divisors (see below), whose sum is σ = 3664533424. Its totient is φ = 3663897300.

The previous prime is 3664215349. The next prime is 3664215409. The reversal of 3664215361 is 1635124663.

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.

It is a cyclic number.

It is not a de Polignac number, because 3664215361 - 25 = 3664215329 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 3664215361.

It is not an unprimeable number, because it can be changed into a prime (3664215311) 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, 141075 + ... + 165016.

It is an arithmetic number, because the mean of its divisors is an integer number (916133356).

Almost surely, 23664215361 is an apocalyptic number.

It is an amenable number.

3664215361 is a deficient number, since it is larger than the sum of its proper divisors (318063).

3664215361 is a wasteful number, since it uses less digits than its factorization.

3664215361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318062.

The product of its digits is 77760, while the sum is 37.

The square root of 3664215361 is about 60532.7627074793. The cubic root of 3664215361 is about 1541.6779598075.

It can be divided in two parts, 36642 and 15361, that added together give a triangular number (52003 = T322).

The spelling of 3664215361 in words is "three billion, six hundred sixty-four million, two hundred fifteen thousand, three hundred sixty-one".

Divisors: 1 11971 306091 3664215361