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3243087877 = 4712968813
BaseRepresentation
bin1100000101001101…
…1001100000000101
322101000102221012211
43001103121200011
523120212303002
61253450343421
7143236535461
oct30123314005
98330387184
103243087877
111414702a17
1276612ab71
133c8b76a13
1422aa034a1
1513eaaedd7
hexc14d9805

3243087877 has 4 divisors (see below), whose sum is σ = 3243203820. Its totient is φ = 3242971936.

The previous prime is 3243087863. The next prime is 3243087917. The reversal of 3243087877 is 7787803423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1492585956 + 1750501921 = 38634^2 + 41839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3243087877 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3243087877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243087817) 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, 12723 + ... + 81535.

It is an arithmetic number, because the mean of its divisors is an integer number (810800955).

Almost surely, 23243087877 is an apocalyptic number.

It is an amenable number.

3243087877 is a deficient number, since it is larger than the sum of its proper divisors (115943).

3243087877 is an equidigital number, since it uses as much as digits as its factorization.

3243087877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115942.

The product of its (nonzero) digits is 1580544, while the sum is 49.

The square root of 3243087877 is about 56948.1156580268. The cubic root of 3243087877 is about 1480.1971792620.

The spelling of 3243087877 in words is "three billion, two hundred forty-three million, eighty-seven thousand, eight hundred seventy-seven".

Divisors: 1 47129 68813 3243087877