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13103030230 = 2519311221747
BaseRepresentation
bin11000011010000000…
…00101111111010110
31020211011122220100221
430031000011333112
5203313333431410
610004111224554
7642463630213
oct141500057726
936734586327
1013103030230
115614356604
12265821815a
13130a836834
148c4308b0a
1551a5044da
hex30d005fd6

13103030230 has 32 divisors (see below), whose sum is σ = 24906735360. Its totient is φ = 4949370720.

The previous prime is 13103030203. The next prime is 13103030231. The reversal of 13103030230 is 3203030131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103030231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51784 + ... + 169963.

It is an arithmetic number, because the mean of its divisors is an integer number (778335480).

Almost surely, 213103030230 is an apocalyptic number.

13103030230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13103030230 is a deficient number, since it is larger than the sum of its proper divisors (11803705130).

13103030230 is a wasteful number, since it uses less digits than its factorization.

13103030230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222084.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 13103030230 its reverse (3203030131), we get a palindrome (16306060361).

Subtracting from 13103030230 its reverse (3203030131), we obtain a palindrome (9900000099).

The spelling of 13103030230 in words is "thirteen billion, one hundred three million, thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 311 622 1555 3110 5909 11818 29545 59090 221747 443494 1108735 2217470 4213193 8426386 21065965 42131930 68963317 137926634 344816585 689633170 1310303023 2620606046 6551515115 13103030230