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13230021310 = 25111011190821
BaseRepresentation
bin11000101001001001…
…00001101010111110
31021011000121201101021
430110210201222332
5204043341140220
610024445134354
7645565216462
oct142444415276
937130551337
1013230021310
11567a002910
12269285a3ba
13132ac3a89c
148d71244a2
1552673b4aa
hex314921abe

13230021310 has 32 divisors (see below), whose sum is σ = 26236190304. Its totient is φ = 4763280000.

The previous prime is 13230021307. The next prime is 13230021317. The reversal of 13230021310 is 1312003231.

It is a super-2 number, since 2×132300213102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230021317) 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, 584301 + ... + 606520.

It is an arithmetic number, because the mean of its divisors is an integer number (819880947).

Almost surely, 213230021310 is an apocalyptic number.

13230021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13230021310 is a deficient number, since it is larger than the sum of its proper divisors (13006168994).

13230021310 is a wasteful number, since it uses less digits than its factorization.

13230021310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190940.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13230021310 its reverse (1312003231), we get a palindrome (14542024541).

The spelling of 13230021310 in words is "thirteen billion, two hundred thirty million, twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 101 110 202 505 1010 1111 2222 5555 11110 1190821 2381642 5954105 11908210 13099031 26198062 65495155 120272921 130990310 240545842 601364605 1202729210 1323002131 2646004262 6615010655 13230021310