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212253126025 = 52107627112653
BaseRepresentation
bin1100010110101101000…
…1011010110110001001
3202021212021200222110211
43011223101122312021
511434143300013100
6241301401041121
721222554542333
oct3055321326611
9667767628424
10212253126025
118201a3a1136
12351771861a1
1317027a4c1c5
14a3b7590453
1557c40451ba
hex316b45ad89

212253126025 has 24 divisors (see below), whose sum is σ = 265716993024. Its totient is φ = 168175444800.

The previous prime is 212253126013. The next prime is 212253126047. The reversal of 212253126025 is 520621352212.

212253126025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212253126025 - 25 = 212253125993 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 16768599 + ... + 16781251.

It is an arithmetic number, because the mean of its divisors is an integer number (11071541376).

Almost surely, 2212253126025 is an apocalyptic number.

212253126025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212253126025 is a deficient number, since it is larger than the sum of its proper divisors (53463866999).

212253126025 is a wasteful number, since it uses less digits than its factorization.

212253126025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19041 (or 19036 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 212253126025 its reverse (520621352212), we get a palindrome (732874478237).

The spelling of 212253126025 in words is "two hundred twelve billion, two hundred fifty-three million, one hundred twenty-six thousand, twenty-five".

Divisors: 1 5 25 107 535 2675 6271 12653 31355 63265 156775 316325 670997 1353871 3354985 6769355 16774925 33846775 79346963 396734815 1983674075 8490125041 42450625205 212253126025