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13020111230 = 257834215323
BaseRepresentation
bin11000010000000111…
…10010000101111110
31020121101122011212212
430020003302011332
5203131122024410
65551550100422
7640436055650
oct141003620576
936541564785
1013020111230
115581571305
1226344aa712
1312c65c3939
148b72c26d0
155130c5b05
hex3080f217e

13020111230 has 64 divisors (see below), whose sum is σ = 27176421888. Its totient is φ = 4398952320.

The previous prime is 13020111211. The next prime is 13020111257. The reversal of 13020111230 is 3211102031.

It is a super-2 number, since 2×130201112302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 2443349 + ... + 2448671.

It is an arithmetic number, because the mean of its divisors is an integer number (424631592).

Almost surely, 213020111230 is an apocalyptic number.

13020111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13020111230 is an abundant number, since it is smaller than the sum of its proper divisors (14156310658).

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

13020111230 is a wasteful number, since it uses less digits than its factorization.

13020111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841.

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

Adding to 13020111230 its reverse (3211102031), we get a palindrome (16231213261).

The spelling of 13020111230 in words is "thirteen billion, twenty million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 83 166 415 421 581 830 842 1162 2105 2905 2947 4210 5323 5810 5894 10646 14735 26615 29470 34943 37261 53230 69886 74522 174715 186305 244601 349430 372610 441809 489202 883618 1223005 2209045 2240983 2446010 3092663 4418090 4481966 6185326 11204915 15463315 15686881 22409830 30926630 31373762 78434405 156868810 186001589 372003178 930007945 1302011123 1860015890 2604022246 6510055615 13020111230