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3648270961 = 12728726543
BaseRepresentation
bin1101100101110100…
…0011001001110001
3100102020212100220201
43121131003021301
524432424132321
61402003035201
7156256535326
oct33135031161
910366770821
103648270961
111602398a75
1285996bb01
13461ab151a
14268756b4d
15165449291
hexd9743271

3648270961 has 4 divisors (see below), whose sum is σ = 3676997632. Its totient is φ = 3619544292.

The previous prime is 3648270947. The next prime is 3648271019. The reversal of 3648270961 is 1690728463.

3648270961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 1690728463 = 7572233459.

It is a cyclic number.

It is not a de Polignac number, because 3648270961 - 213 = 3648262769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3648270911) 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, 14363145 + ... + 14363398.

It is an arithmetic number, because the mean of its divisors is an integer number (919249408).

Almost surely, 23648270961 is an apocalyptic number.

It is an amenable number.

3648270961 is a deficient number, since it is larger than the sum of its proper divisors (28726671).

3648270961 is a wasteful number, since it uses less digits than its factorization.

3648270961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28726670.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 3648270961 is about 60400.9185443400. The cubic root of 3648270961 is about 1539.4385653725.

The spelling of 3648270961 in words is "three billion, six hundred forty-eight million, two hundred seventy thousand, nine hundred sixty-one".

Divisors: 1 127 28726543 3648270961