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212625464621 = 435563888869
BaseRepresentation
bin1100011000000101110…
…1110001110100101101
3202022211020022202000012
43012001131301310231
511440424104331441
6241402341343005
721235025425523
oct3060135616455
9668736282005
10212625464621
11821a0593689
123525ba07a65
1317086c270bb
14a410bd4313
1557e6a929eb
hex3181771d2d

212625464621 has 8 divisors (see below), whose sum is σ = 217609597920. Its totient is φ = 207643120272.

The previous prime is 212625464521. The next prime is 212625464633. The reversal of 212625464621 is 126464526212.

212625464621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212625464621 - 222 = 212621270317 is a prime.

It is a super-2 number, since 2×2126254646212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212625464671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 205226 + ... + 683643.

It is an arithmetic number, because the mean of its divisors is an integer number (27201199740).

Almost surely, 2212625464621 is an apocalyptic number.

It is an amenable number.

212625464621 is a deficient number, since it is larger than the sum of its proper divisors (4984133299).

212625464621 is an equidigital number, since it uses as much as digits as its factorization.

212625464621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894475.

The product of its digits is 276480, while the sum is 41.

The spelling of 212625464621 in words is "two hundred twelve billion, six hundred twenty-five million, four hundred sixty-four thousand, six hundred twenty-one".

Divisors: 1 43 5563 239209 888869 38221367 4944778247 212625464621