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11469789091 = 389206914251
BaseRepresentation
bin10101010111010011…
…10001011110100011
31002121100102122201101
422223221301132203
5141442231222331
65134045215231
7554142412225
oct125351613643
932540378641
1011469789091
114956440342
122281261517
13110a362767
147ab440415
15471e3b061
hex2aba717a3

11469789091 has 8 divisors (see below), whose sum is σ = 11505639600. Its totient is φ = 11433972000.

The previous prime is 11469789061. The next prime is 11469789113. The reversal of 11469789091 is 19098796411.

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

It is a cyclic number.

It is not a de Polignac number, because 11469789091 - 215 = 11469756323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11469789031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797716 + ... + 811966.

It is an arithmetic number, because the mean of its divisors is an integer number (1438204950).

Almost surely, 211469789091 is an apocalyptic number.

11469789091 is a deficient number, since it is larger than the sum of its proper divisors (35850509).

11469789091 is a wasteful number, since it uses less digits than its factorization.

11469789091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16709.

The product of its (nonzero) digits is 979776, while the sum is 55.

The spelling of 11469789091 in words is "eleven billion, four hundred sixty-nine million, seven hundred eighty-nine thousand, ninety-one".

Divisors: 1 389 2069 14251 804841 5543639 29485319 11469789091