Search a number
-
+
13020111304 = 2319353242659
BaseRepresentation
bin11000010000000111…
…10010000111001000
31020121101122011222121
430020003302013020
5203131122030204
65551550101024
7640436056114
oct141003620710
936541564877
1013020111304
115581571372
1226344aa774
1312c65c3995
148b72c2744
155130c5b54
hex3080f21c8

13020111304 has 32 divisors (see below), whose sum is σ = 25770492000. Its totient is φ = 6149924352.

The previous prime is 13020111301. The next prime is 13020111319. The reversal of 13020111304 is 40311102031.

It is not an unprimeable number, because it can be changed into a prime (13020111301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67674 + ... + 174985.

It is an arithmetic number, because the mean of its divisors is an integer number (805327875).

Almost surely, 213020111304 is an apocalyptic number.

It is an amenable number.

13020111304 is a deficient number, since it is larger than the sum of its proper divisors (12750380696).

13020111304 is a wasteful number, since it uses less digits than its factorization.

13020111304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243037 (or 243033 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13020111304 its reverse (40311102031), we get a palindrome (53331213335).

The spelling of 13020111304 in words is "thirteen billion, twenty million, one hundred eleven thousand, three hundred four".

Divisors: 1 2 4 8 19 38 76 152 353 706 1412 2824 6707 13414 26828 53656 242659 485318 970636 1941272 4610521 9221042 18442084 36884168 85658627 171317254 342634508 685269016 1627513913 3255027826 6510055652 13020111304