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230899451444 = 2257724862861
BaseRepresentation
bin1101011100001010101…
…1100000011000110100
3211001222210001110021222
43113002223200120310
512240340224421234
6254023532325512
722452621645164
oct3270253403064
9731883043258
10230899451444
1189a187a2432
12388bb913898
1318a09b4805c
14b265b825a4
15601601c42e
hex35c2ae0634

230899451444 has 6 divisors (see below), whose sum is σ = 404074040034. Its totient is φ = 115449725720.

The previous prime is 230899451443. The next prime is 230899451491. The reversal of 230899451444 is 444154998032.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132546964900 + 98352486544 = 364070^2 + 313612^2 .

It is a super-2 number, since 2×2308994514442 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230899451443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28862431427 + ... + 28862431434.

It is an arithmetic number, because the mean of its divisors is an integer number (67345673339).

Almost surely, 2230899451444 is an apocalyptic number.

It is an amenable number.

230899451444 is a deficient number, since it is larger than the sum of its proper divisors (173174588590).

230899451444 is a wasteful number, since it uses less digits than its factorization.

230899451444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57724862865 (or 57724862863 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 230899451444 in words is "two hundred thirty billion, eight hundred ninety-nine million, four hundred fifty-one thousand, four hundred forty-four".

Divisors: 1 2 4 57724862861 115449725722 230899451444