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213230413225 = 528529216529
BaseRepresentation
bin1100011010010110000…
…1011110010110101001
3202101101101122022111001
43012211201132112221
511443143441210400
6241542351435001
721256022415214
oct3064541362651
9671341568431
10213230413225
1182481011505
12353aa525a61
131715236625b
14a46b2a877b
15582ec3ba6a
hex31a585e5a9

213230413225 has 6 divisors (see below), whose sum is σ = 264405712430. Its totient is φ = 170584330560.

The previous prime is 213230413199. The next prime is 213230413271. The reversal of 213230413225 is 522314032312.

It is a happy number.

213230413225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 67913923609 + 145316489616 = 260603^2 + 381204^2 .

It is a de Polignac number, because none of the positive numbers 2k-213230413225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213230413193 and 213230413202.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4264608240 + ... + 4264608289.

Almost surely, 2213230413225 is an apocalyptic number.

213230413225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213230413225 is a deficient number, since it is larger than the sum of its proper divisors (51175299205).

213230413225 is an equidigital number, since it uses as much as digits as its factorization.

213230413225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529216539 (or 8529216534 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 213230413225 its reverse (522314032312), we get a palindrome (735544445537).

The spelling of 213230413225 in words is "two hundred thirteen billion, two hundred thirty million, four hundred thirteen thousand, two hundred twenty-five".

Divisors: 1 5 25 8529216529 42646082645 213230413225