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214580321069 = 377379444769
BaseRepresentation
bin1100011111010111111…
…0111101101100101101
3202111212110201201220212
43013311332331230231
512003430030233234
6242324332552205
721334333430462
oct3076576755455
9674773651825
10214580321069
1183003aa7224
1235706622665
1317308c266aa
14a55869b669
1558ad4d95ce
hex31f5fbdb2d

214580321069 has 8 divisors (see below), whose sum is σ = 223398693240. Its totient is φ = 205920838656.

The previous prime is 214580321057. The next prime is 214580321077. The reversal of 214580321069 is 960123085412.

It can be written as a sum of positive squares in 4 ways, for example, as 157823452900 + 56756868169 = 397270^2 + 238237^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214580321069 is a prime.

It is a super-2 number, since 2×2145803210692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214580321089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39719684 + ... + 39725085.

It is an arithmetic number, because the mean of its divisors is an integer number (27924836655).

Almost surely, 2214580321069 is an apocalyptic number.

It is an amenable number.

214580321069 is a deficient number, since it is larger than the sum of its proper divisors (8818372171).

214580321069 is an equidigital number, since it uses as much as digits as its factorization.

214580321069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79444879.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 214580321069 in words is "two hundred fourteen billion, five hundred eighty million, three hundred twenty-one thousand, sixty-nine".

Divisors: 1 37 73 2701 79444769 2939456453 5799468137 214580321069