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10262079893 = 13789390761
BaseRepresentation
bin10011000111010101…
…01110100110010101
3222111011220200011002
421203222232212111
5132004043024033
64414143553045
7512206145162
oct114352564625
928434820132
1010262079893
11439674956a
121ba48bb785
13c7709c330
146d4ca5069
15400dcb3e8
hex263aae995

10262079893 has 4 divisors (see below), whose sum is σ = 11051470668. Its totient is φ = 9472689120.

The previous prime is 10262079889. The next prime is 10262079929. The reversal of 10262079893 is 39897026201.

It is a happy number.

10262079893 is digitally balanced in base 3, 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: 39897026201 = 67595478003.

It can be written as a sum of positive squares in 2 ways, for example, as 6383530609 + 3878549284 = 79897^2 + 62278^2 .

It is a cyclic number.

It is not a de Polignac number, because 10262079893 - 22 = 10262079889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10262079803) 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, 394695368 + ... + 394695393.

It is an arithmetic number, because the mean of its divisors is an integer number (2762867667).

Almost surely, 210262079893 is an apocalyptic number.

10262079893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10262079893 is a deficient number, since it is larger than the sum of its proper divisors (789390775).

10262079893 is an equidigital number, since it uses as much as digits as its factorization.

10262079893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789390774.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 10262079893 in words is "ten billion, two hundred sixty-two million, seventy-nine thousand, eight hundred ninety-three".

Divisors: 1 13 789390761 10262079893