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10990432919 = 11621945739
BaseRepresentation
bin10100011110001010…
…01011001010010111
31001100221102211200002
422033011023022113
5140002022323134
65014323041515
7536232065324
oct121705131227
931327384602
1010990432919
11472a8a3a14
12216881029b
131061c57b5b
147638ddb4b
15444cee87e
hex28f14b297

10990432919 has 4 divisors (see below), whose sum is σ = 10991390280. Its totient is φ = 10989475560.

The previous prime is 10990432897. The next prime is 10990432939. The reversal of 10990432919 is 91923409901.

10990432919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91923409901 = 565116266751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10990432919 is a prime.

It is a super-2 number, since 2×109904329192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10990432939) 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 3 ways as a sum of consecutive naturals, for example, 461249 + ... + 484490.

It is an arithmetic number, because the mean of its divisors is an integer number (2747847570).

Almost surely, 210990432919 is an apocalyptic number.

10990432919 is a deficient number, since it is larger than the sum of its proper divisors (957361).

10990432919 is an equidigital number, since it uses as much as digits as its factorization.

10990432919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957360.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 10990432919 in words is "ten billion, nine hundred ninety million, four hundred thirty-two thousand, nine hundred nineteen".

Divisors: 1 11621 945739 10990432919