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3261030641 = 11296457331
BaseRepresentation
bin1100001001011111…
…0110000011110001
322102021012112001122
43002113312003301
523134310440031
61255331112025
7143545205651
oct30227660361
98367175048
103261030641
111423848650
12770142615
133cc7b993b
1422d154361
1514145647b
hexc25f60f1

3261030641 has 4 divisors (see below), whose sum is σ = 3557487984. Its totient is φ = 2964573300.

The previous prime is 3261030637. The next prime is 3261030679. The reversal of 3261030641 is 1460301623.

3261030641 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: 1460301623 = 11132754693.

It is a cyclic number.

It is not a de Polignac number, because 3261030641 - 22 = 3261030637 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 3261030641.

It is not an unprimeable number, because it can be changed into a prime (3261030041) 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, 148228655 + ... + 148228676.

It is an arithmetic number, because the mean of its divisors is an integer number (889371996).

Almost surely, 23261030641 is an apocalyptic number.

It is an amenable number.

3261030641 is a deficient number, since it is larger than the sum of its proper divisors (296457343).

3261030641 is a wasteful number, since it uses less digits than its factorization.

3261030641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296457342.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3261030641 is about 57105.4344261560. The cubic root of 3261030641 is about 1482.9219485475.

The spelling of 3261030641 in words is "three billion, two hundred sixty-one million, thirty thousand, six hundred forty-one".

Divisors: 1 11 296457331 3261030641