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12113030120 = 2351097276049
BaseRepresentation
bin10110100011111111…
…00010101111101000
31011021011210200112012
423101333202233220
5144301413430440
65321544135052
7606113025422
oct132177425750
934234720465
1012113030120
1151565428a4
122420767488
1311b06bb159
1482ca41812
154ad64ae65
hex2d1fe2be8

12113030120 has 32 divisors (see below), whose sum is σ = 27279261000. Its totient is φ = 4840777728.

The previous prime is 12113030107. The next prime is 12113030143. The reversal of 12113030120 is 2103031121.

It can be written as a sum of positive squares in 4 ways, for example, as 4002586756 + 8110443364 = 63266^2 + 90058^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12113030095 and 12113030104.

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, 94145 + ... + 181904.

Almost surely, 212113030120 is an apocalyptic number.

12113030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113030120 is an abundant number, since it is smaller than the sum of its proper divisors (15166230880).

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

12113030120 is a wasteful number, since it uses less digits than its factorization.

12113030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277157 (or 277153 counting only the distinct ones).

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

Adding to 12113030120 its reverse (2103031121), we get a palindrome (14216061241).

The spelling of 12113030120 in words is "twelve billion, one hundred thirteen million, thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1097 2194 4388 5485 8776 10970 21940 43880 276049 552098 1104196 1380245 2208392 2760490 5520980 11041960 302825753 605651506 1211303012 1514128765 2422606024 3028257530 6056515060 12113030120