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189304315207 = 71644492
BaseRepresentation
bin1011000001001101101…
…0101001110101000111
3200002121221110121020121
42300103122221311013
511100143401041312
6222544252242411
716451065062340
oct2602332516507
9602557417217
10189304315207
1173313394987
1230831770407
1314b0b4737c7
14923b7c90c7
154dce497707
hex2c136a9d47

189304315207 has 6 divisors (see below), whose sum is σ = 216349104408. Its totient is φ = 162259854912.

The previous prime is 189304315129. The next prime is 189304315237. The reversal of 189304315207 is 702513403981.

189304315207 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 189304315207 - 219 = 189303790919 is a prime.

It is a super-2 number, since 2×1893043152072 (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 (189304315237) 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 5 ways as a sum of consecutive naturals, for example, 1068919 + ... + 1233367.

It is an arithmetic number, because the mean of its divisors is an integer number (36058184068).

Almost surely, 2189304315207 is an apocalyptic number.

189304315207 is a deficient number, since it is larger than the sum of its proper divisors (27044789201).

189304315207 is an frugal number, since it uses more digits than its factorization.

189304315207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328905 (or 164456 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 189304315207 in words is "one hundred eighty-nine billion, three hundred four million, three hundred fifteen thousand, two hundred seven".

Divisors: 1 7 164449 1151143 27043473601 189304315207