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13230312230 = 257611738543
BaseRepresentation
bin11000101001001011…
…01000101100100110
31021011001011111110002
430110211220230212
5204043424442410
610024455301302
7645600540602
oct142445505446
937131144402
1013230312230
11567a191443
12269297a832
13132b010125
148d719c502
155267977a5
hex314968b26

13230312230 has 16 divisors (see below), whose sum is σ = 23845869504. Its totient is φ = 5285167680.

The previous prime is 13230312223. The next prime is 13230312269. The reversal of 13230312230 is 3221303231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861662 + ... + 876881.

It is an arithmetic number, because the mean of its divisors is an integer number (1490366844).

Almost surely, 213230312230 is an apocalyptic number.

13230312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13230312230 is a deficient number, since it is larger than the sum of its proper divisors (10615557274).

13230312230 is a wasteful number, since it uses less digits than its factorization.

13230312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739311.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13230312230 its reverse (3221303231), we get a palindrome (16451615461).

The spelling of 13230312230 in words is "thirteen billion, two hundred thirty million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 761 1522 3805 7610 1738543 3477086 8692715 17385430 1323031223 2646062446 6615156115 13230312230