Search a number
-
+
7896381963 = 318111453411
BaseRepresentation
bin1110101101010100…
…10011101000001011
3202101022102202200020
413112222103220023
5112132433210323
63343314511523
7366452065521
oct72652235013
922338382606
107896381963
113392335708
1216445955a3
1398ac33882
1454ca14311
1531337dae3
hex1d6a93a0b

7896381963 has 8 divisors (see below), whose sum is σ = 10534330176. Its totient is φ = 5261344200.

The previous prime is 7896381959. The next prime is 7896381979. The reversal of 7896381963 is 3691836987.

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

It is not a de Polignac number, because 7896381963 - 22 = 7896381959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7896381897 and 7896381906.

It is not an unprimeable number, because it can be changed into a prime (7896381953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721273 + ... + 732138.

It is an arithmetic number, because the mean of its divisors is an integer number (1316791272).

Almost surely, 27896381963 is an apocalyptic number.

7896381963 is a deficient number, since it is larger than the sum of its proper divisors (2637948213).

7896381963 is a wasteful number, since it uses less digits than its factorization.

7896381963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455225.

The product of its digits is 11757312, while the sum is 60.

The square root of 7896381963 is about 88861.5887940341. The cubic root of 7896381963 is about 1991.3276127878.

The spelling of 7896381963 in words is "seven billion, eight hundred ninety-six million, three hundred eighty-one thousand, nine hundred sixty-three".

Divisors: 1 3 1811 5433 1453411 4360233 2632127321 7896381963