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27230185964 = 22373674571097
BaseRepresentation
bin11001010111000010…
…111010100111101100
32121021201101202211002
4121113002322213230
5421231411422324
620302005215432
71652534522162
oct312702724754
977251352732
1027230185964
1110603803823
12533b401578
13274c5a6697
141464641232
15a958a33ae
hex6570ba9ec

27230185964 has 48 divisors (see below), whose sum is σ = 49226308992. Its totient is φ = 13170097152.

The previous prime is 27230185963. The next prime is 27230185979. The reversal of 27230185964 is 46958103272.

It is not an unprimeable number, because it can be changed into a prime (27230185963) 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 15 ways as a sum of consecutive naturals, for example, 24821864 + ... + 24822960.

It is an arithmetic number, because the mean of its divisors is an integer number (1025548104).

It is a 2-persistent number, because it is pandigital, and so is 2⋅27230185964 = 54460371928, but 3⋅27230185964 = 81690557892 is not.

Almost surely, 227230185964 is an apocalyptic number.

It is an amenable number.

27230185964 is a deficient number, since it is larger than the sum of its proper divisors (21996123028).

27230185964 is a wasteful number, since it uses less digits than its factorization.

With its successor (27230185965) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1962).

27230185964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 27230185964 in words is "twenty-seven billion, two hundred thirty million, one hundred eighty-five thousand, nine hundred sixty-four".

Divisors: 1 2 4 37 74 148 367 457 734 914 1097 1468 1828 2194 4388 13579 16909 27158 33818 40589 54316 67636 81178 162356 167719 335438 402599 501329 670876 805198 1002658 1610396 2005316 6205603 12411206 14896163 18549173 24822412 29792326 37098346 59584652 74196692 183987743 367975486 735950972 6807546491 13615092982 27230185964