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1320323442230 = 251352322518627
BaseRepresentation
bin10011001101101001011…
…010001110011000110110
311200012222121111021210202
4103031221122032120312
5133113010300122410
62450314225320502
7164250563041502
oct23155132163066
94605877437722
101320323442230
11469a45187141
12193a79796132
13976767b9cc0
1447c927c7302
1524528280ca5
hex1336968e636

1320323442230 has 64 divisors (see below), whose sum is σ = 2565726444288. Its totient is φ = 486299376000.

The previous prime is 1320323442223. The next prime is 1320323442239. The reversal of 1320323442230 is 322443230231.

It is a super-2 number, since 2×13203234422302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320323442193 and 1320323442202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320323442239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153041177 + ... + 153049803.

It is an arithmetic number, because the mean of its divisors is an integer number (40089475692).

Almost surely, 21320323442230 is an apocalyptic number.

1320323442230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320323442230 is a deficient number, since it is larger than the sum of its proper divisors (1245403002058).

1320323442230 is a wasteful number, since it uses less digits than its factorization.

1320323442230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11421.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 1320323442230 its reverse (322443230231), we get a palindrome (1642766672461).

The spelling of 1320323442230 in words is "one trillion, three hundred twenty billion, three hundred twenty-three million, four hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 523 1046 2251 2615 4502 5230 6799 8627 11255 13598 17254 22510 29263 33995 43135 58526 67990 86270 112151 146315 224302 292630 560755 1121510 1177273 2354546 4511921 5886365 9023842 11772730 15304549 19419377 22559605 30609098 38838754 45119210 58654973 76522745 97096885 117309946 153045490 194193770 252451901 293274865 504903802 586549730 1262259505 2524519010 10156334171 20312668342 50781670855 101563341710 132032344223 264064688446 660161721115 1320323442230