Search a number
-
+
1321034763 = 31429308149
BaseRepresentation
bin100111010111101…
…0110010000001011
310102001202112000110
41032233112100023
510201141103023
6335030205403
744510416206
oct11657262013
93361675013
101321034763
11618764a74
1230a4b3863
131808c1399
14c763893d
157ae97a93
hex4ebd640b

1321034763 has 8 divisors (see below), whose sum is σ = 1762618000. Its totient is φ = 880070688.

The previous prime is 1321034753. The next prime is 1321034789. The reversal of 1321034763 is 3674301231.

1321034763 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1321034763 - 29 = 1321034251 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 1321034763.

It is not an unprimeable number, because it can be changed into a prime (1321034753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149788 + ... + 158361.

It is an arithmetic number, because the mean of its divisors is an integer number (220327250).

Almost surely, 21321034763 is an apocalyptic number.

1321034763 is a deficient number, since it is larger than the sum of its proper divisors (441583237).

1321034763 is a wasteful number, since it uses less digits than its factorization.

1321034763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309581.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 1321034763 is about 36346.0419165554. The cubic root of 1321034763 is about 1097.2478757646.

Adding to 1321034763 its reverse (3674301231), we get a palindrome (4995335994).

The spelling of 1321034763 in words is "one billion, three hundred twenty-one million, thirty-four thousand, seven hundred sixty-three".

Divisors: 1 3 1429 4287 308149 924447 440344921 1321034763