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230222673140 = 22597118671481
BaseRepresentation
bin1101011001101001010…
…1110011010011110100
3211000020121120112222212
43112122111303103310
512232444001020030
6253432434512552
722430063301455
oct3263225632364
9730217515885
10230222673140
1189700773919
1238751135758
131892c879615
14b1ddd3112c
155ec68d5595
hex359a5734f4

230222673140 has 24 divisors (see below), whose sum is σ = 488451819912. Its totient is φ = 91139696640.

The previous prime is 230222673139. The next prime is 230222673169. The reversal of 230222673140 is 41376222032.

It can be written as a sum of positive squares in 4 ways, for example, as 88083116944 + 142139556196 = 296788^2 + 377014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230222673097 and 230222673106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59333801 + ... + 59337680.

It is an arithmetic number, because the mean of its divisors is an integer number (20352159163).

Almost surely, 2230222673140 is an apocalyptic number.

230222673140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230222673140 is an abundant number, since it is smaller than the sum of its proper divisors (258229146772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230222673140 is a wasteful number, since it uses less digits than its factorization.

230222673140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118671587 (or 118671585 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 230222673140 its reverse (41376222032), we get a palindrome (271598895172).

The spelling of 230222673140 in words is "two hundred thirty billion, two hundred twenty-two million, six hundred seventy-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 118671481 237342962 474685924 593357405 1186714810 2373429620 11511133657 23022267314 46044534628 57555668285 115111336570 230222673140