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1305620233230 = 235172150590569
BaseRepresentation
bin10010111111111101000…
…001111011110000001110
311121211000220210212211110
4102333331001323300032
5132342402234430410
62435443232432450
7163220325605115
oct22777501736016
94554026725743
101305620233230
1146378a647645
121910556a8726
13961725b7231
1447299b7cc7c
1523e67544720
hex12ffd07bc0e

1305620233230 has 48 divisors (see below), whose sum is σ = 3328653959280. Its totient is φ = 327685075968.

The previous prime is 1305620233153. The next prime is 1305620233283. The reversal of 1305620233230 is 323320265031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75286615 + ... + 75303954.

It is an arithmetic number, because the mean of its divisors is an integer number (69346957485).

Almost surely, 21305620233230 is an apocalyptic number.

1305620233230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305620233230 is an abundant number, since it is smaller than the sum of its proper divisors (2023033726050).

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

1305620233230 is a wasteful number, since it uses less digits than its factorization.

1305620233230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150590613 (or 150590596 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 1305620233230 its reverse (323320265031), we get a palindrome (1628940498261).

The spelling of 1305620233230 in words is "one trillion, three hundred five billion, six hundred twenty million, two hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 289 510 578 867 1445 1734 2890 4335 8670 150590569 301181138 451771707 752952845 903543414 1505905690 2258858535 2560039673 4517717070 5120079346 7680119019 12800198365 15360238038 25600396730 38400595095 43520674441 76801190190 87041348882 130562023323 217603372205 261124046646 435206744410 652810116615 1305620233230