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10998252917 = 28573849581
BaseRepresentation
bin10100011111000110…
…00000010101110101
31001101111011010200122
422033203000111311
5140011023043132
65015202421325
7536355415211
oct121743002565
931344133618
1010998252917
114734255223
12216b361845
131063765382
14764977941
15445846912
hex28f8c0575

10998252917 has 4 divisors (see below), whose sum is σ = 11002105356. Its totient is φ = 10994400480.

The previous prime is 10998252887. The next prime is 10998252919. The reversal of 10998252917 is 71925289901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9418508401 + 1579744516 = 97049^2 + 39746^2 .

It is a cyclic number.

It is not a de Polignac number, because 10998252917 - 210 = 10998251893 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 (10998252919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921934 + ... + 1927647.

It is an arithmetic number, because the mean of its divisors is an integer number (2750526339).

Almost surely, 210998252917 is an apocalyptic number.

It is an amenable number.

10998252917 is a deficient number, since it is larger than the sum of its proper divisors (3852439).

10998252917 is an equidigital number, since it uses as much as digits as its factorization.

10998252917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852438.

The product of its (nonzero) digits is 816480, while the sum is 53.

The spelling of 10998252917 in words is "ten billion, nine hundred ninety-eight million, two hundred fifty-two thousand, nine hundred seventeen".

Divisors: 1 2857 3849581 10998252917