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13120001230 = 2574112593631
BaseRepresentation
bin11000011100000001…
…10101010011001110
31020212100121010012111
430032000311103032
5203332210014410
610005515054234
7643061112310
oct141600652316
936770533174
1013120001230
115622998126
122661a4137a
1313111c934b
148c66857b0
1551bc57b8a
hex30e0354ce

13120001230 has 64 divisors (see below), whose sum is σ = 27677583360. Its totient is φ = 4383878400.

The previous prime is 13120001221. The next prime is 13120001263. The reversal of 13120001230 is 3210002131.

It is a self number, because there is not a number n which added to its sum of digits gives 13120001230.

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, 3611515 + ... + 3615145.

It is an arithmetic number, because the mean of its divisors is an integer number (432462240).

Almost surely, 213120001230 is an apocalyptic number.

13120001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13120001230 is an abundant number, since it is smaller than the sum of its proper divisors (14557582130).

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

13120001230 is a wasteful number, since it uses less digits than its factorization.

13120001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13120001230 its reverse (3210002131), we get a palindrome (16330003361).

Subtracting from 13120001230 its reverse (3210002131), we obtain a palindrome (9909999099).

The spelling of 13120001230 in words is "thirteen billion, one hundred twenty million, one thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 41 70 82 205 287 410 574 1259 1435 2518 2870 3631 6295 7262 8813 12590 17626 18155 25417 36310 44065 50834 51619 88130 103238 127085 148871 254170 258095 297742 361333 516190 722666 744355 1042097 1488710 1806665 2084194 3613330 4571429 5210485 9142858 10420970 22857145 32000003 45714290 64000006 160000015 187428589 320000030 374857178 937142945 1312000123 1874285890 2624000246 6560000615 13120001230