Search a number
-
+
10956869191 = 231381344957
BaseRepresentation
bin10100011010001010…
…01000111001000111
31001021121021121220001
422031011020321013
5134414424303231
65011123422131
7535343565022
oct121505107107
931247247801
1010956869191
114712959aa4
122159524947
131058005a68
1475d2841b9
15441dbeb61
hex28d148e47

10956869191 has 8 divisors (see below), whose sum is σ = 11441566944. Its totient is φ = 10472864160.

The previous prime is 10956869149. The next prime is 10956869197. The reversal of 10956869191 is 19196865901.

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

It is a de Polignac number, because none of the positive numbers 2k-10956869191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10956869197) 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, 140716 + ... + 204241.

It is an arithmetic number, because the mean of its divisors is an integer number (1430195868).

Almost surely, 210956869191 is an apocalyptic number.

10956869191 is a deficient number, since it is larger than the sum of its proper divisors (484697753).

10956869191 is a wasteful number, since it uses less digits than its factorization.

10956869191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346361.

The product of its (nonzero) digits is 1049760, while the sum is 55.

The spelling of 10956869191 in words is "ten billion, nine hundred fifty-six million, eight hundred sixty-nine thousand, one hundred ninety-one".

Divisors: 1 23 1381 31763 344957 7934011 476385617 10956869191