Search a number
-
+
12300123030 = 23513254912373
BaseRepresentation
bin10110111010010010…
…01111101110010110
31011202012211222202020
423131021033232112
5200142312414110
65352310154010
7613544214666
oct133511175626
934665758666
1012300123030
11524210a538
122473352906
1312103a6610
148498241a6
154beca5d70
hex2dd24fb96

12300123030 has 64 divisors (see below), whose sum is σ = 31806129600. Its totient is φ = 3026290176.

The previous prime is 12300123023. The next prime is 12300123049. The reversal of 12300123030 is 3032100321.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 987924 + ... + 1000296.

It is an arithmetic number, because the mean of its divisors is an integer number (496970775).

Almost surely, 212300123030 is an apocalyptic number.

12300123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12300123030 is an abundant number, since it is smaller than the sum of its proper divisors (19506006570).

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

12300123030 is a wasteful number, since it uses less digits than its factorization.

12300123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12300123030 its reverse (3032100321), we get a palindrome (15332223351).

The spelling of 12300123030 in words is "twelve billion, three hundred million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 2549 5098 7647 12373 12745 15294 24746 25490 33137 37119 38235 61865 66274 74238 76470 99411 123730 160849 165685 185595 198822 321698 331370 371190 482547 497055 804245 965094 994110 1608490 2412735 4825470 31538777 63077554 94616331 157693885 189232662 315387770 410004101 473081655 820008202 946163310 1230012303 2050020505 2460024606 4100041010 6150061515 12300123030