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4963960381 = 6537601777
BaseRepresentation
bin1001001111110000…
…00000011000111101
3110210221120022111111
410213320000120331
540131233213011
62140322522021
7234003652462
oct44770003075
913727508444
104963960381
1121180319a6
12b66506311
13611550883
1435139d669
151e0bd8121
hex127e0063d

4963960381 has 4 divisors (see below), whose sum is σ = 4971562812. Its totient is φ = 4956357952.

The previous prime is 4963960357. The next prime is 4963960399. The reversal of 4963960381 is 1830693694.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3552756025 + 1411204356 = 59605^2 + 37566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4963960381 is a prime.

It is a super-2 number, since 2×49639603812 = 49281805328275330322, which contains 22 as substring.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (4963960301) 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, 3800236 + ... + 3801541.

It is an arithmetic number, because the mean of its divisors is an integer number (1242890703).

Almost surely, 24963960381 is an apocalyptic number.

It is an amenable number.

4963960381 is a deficient number, since it is larger than the sum of its proper divisors (7602431).

4963960381 is an equidigital number, since it uses as much as digits as its factorization.

4963960381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602430.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 4963960381 is about 70455.3786520234. The cubic root of 4963960381 is about 1705.8575770306.

The spelling of 4963960381 in words is "four billion, nine hundred sixty-three million, nine hundred sixty thousand, three hundred eighty-one".

Divisors: 1 653 7601777 4963960381