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13012230110 = 2511294219689
BaseRepresentation
bin11000001111001011…
…01101111111011110
31020120211210210000112
430013211231333132
5203122112330420
65551105130022
7640312062635
oct140745557736
936524723015
1013012230110
115578079090
122631929912
1312c4a94659
148b623051c
1551256a8c5
hex30796dfde

13012230110 has 64 divisors (see below), whose sum is σ = 26497886400. Its totient is φ = 4557235200.

The previous prime is 13012230097. The next prime is 13012230157. The reversal of 13012230110 is 1103221031.

It is a super-2 number, since 2×130122301102 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1338146 + ... + 1347834.

It is an arithmetic number, because the mean of its divisors is an integer number (414029475).

Almost surely, 213012230110 is an apocalyptic number.

13012230110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012230110 is an abundant number, since it is smaller than the sum of its proper divisors (13485656290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13012230110 is a wasteful number, since it uses less digits than its factorization.

13012230110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13012230110 its reverse (1103221031), we get a palindrome (14115451141).

The spelling of 13012230110 in words is "thirteen billion, twelve million, two hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 421 638 842 1595 2105 3190 4210 4631 9262 9689 12209 19378 23155 24418 46310 48445 61045 96890 106579 122090 134299 213158 268598 280981 532895 561962 671495 1065790 1342990 1404905 2809810 3090791 4079069 6181582 8158138 15453955 20395345 30907910 40790690 44869759 89739518 118293001 224348795 236586002 448697590 591465005 1182930010 1301223011 2602446022 6506115055 13012230110