Search a number
-
+
4761022649 = 5581785297
BaseRepresentation
bin1000110111100011…
…10111000010111001
3110021210201000021012
410123301313002321
534222310211044
62104233123305
7225661011335
oct43361670271
913253630235
104761022649
112023522869
12b0a559535
135ab4a8386
143324547c5
151cce9d59e
hex11bc770b9

4761022649 has 4 divisors (see below), whose sum is σ = 4761163764. Its totient is φ = 4760881536.

The previous prime is 4761022639. The next prime is 4761022667. The reversal of 4761022649 is 9462201674.

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 2216526400 + 2544496249 = 47080^2 + 50443^2 .

It is a cyclic number.

It is not a de Polignac number, because 4761022649 - 212 = 4761018553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4761022639) 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, 13169 + ... + 98465.

It is an arithmetic number, because the mean of its divisors is an integer number (1190290941).

Almost surely, 24761022649 is an apocalyptic number.

It is an amenable number.

4761022649 is a deficient number, since it is larger than the sum of its proper divisors (141115).

4761022649 is an equidigital number, since it uses as much as digits as its factorization.

4761022649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141114.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 4761022649 is about 69000.1641229932. The cubic root of 4761022649 is about 1682.2869752161.

The spelling of 4761022649 in words is "four billion, seven hundred sixty-one million, twenty-two thousand, six hundred forty-nine".

Divisors: 1 55817 85297 4761022649