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210344000525 = 528413760021
BaseRepresentation
bin1100001111100101111…
…0101011110000001101
3202002221020100100121222
43003321132223300031
511421241031004100
6240344121533125
721124343334641
oct3037136536015
9662836310558
10210344000525
118122a78296a
12349239441a5
1316ab2371b49
14a275bccc21
155711633485
hex30f97abc0d

210344000525 has 6 divisors (see below), whose sum is σ = 260826560682. Its totient is φ = 168275200400.

The previous prime is 210344000479. The next prime is 210344000539. The reversal of 210344000525 is 525000443012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35755406281 + 174588594244 = 189091^2 + 417838^2 .

It is not a de Polignac number, because 210344000525 - 210 = 210343999501 is a prime.

It is a super-2 number, since 2×2103440005252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210344000494 and 210344000503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4206879986 + ... + 4206880035.

It is an arithmetic number, because the mean of its divisors is an integer number (43471093447).

Almost surely, 2210344000525 is an apocalyptic number.

210344000525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210344000525 is a deficient number, since it is larger than the sum of its proper divisors (50482560157).

210344000525 is an equidigital number, since it uses as much as digits as its factorization.

210344000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8413760031 (or 8413760026 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 210344000525 its reverse (525000443012), we get a palindrome (735344443537).

The spelling of 210344000525 in words is "two hundred ten billion, three hundred forty-four million, five hundred twenty-five", and thus it is an aban number.

Divisors: 1 5 25 8413760021 42068800105 210344000525