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13420130112 = 26337766279
BaseRepresentation
bin11000111111110011…
…01110111101000000
31021122021100020122000
430133321232331000
5204441023130422
610055355544000
7653364136524
oct143771567500
937567306560
1013420130112
11576734a424
12272645b000
13135b4409bc
1491448dd84
1553828ecac
hex31fe6ef40

13420130112 has 56 divisors (see below), whose sum is σ = 39452702400. Its totient is φ = 4473376128.

The previous prime is 13420130111. The next prime is 13420130167. The reversal of 13420130112 is 21103102431.

13420130112 is a `hidden beast` number, since 1 + 3 + 420 + 130 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420130111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3881412 + ... + 3884867.

Almost surely, 213420130112 is an apocalyptic number.

13420130112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13420130112 is an abundant number, since it is smaller than the sum of its proper divisors (26032572288).

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

13420130112 is an equidigital number, since it uses as much as digits as its factorization.

13420130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766300 (or 7766284 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13420130112 its reverse (21103102431), we get a palindrome (34523232543).

The spelling of 13420130112 in words is "thirteen billion, four hundred twenty million, one hundred thirty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 7766279 15532558 23298837 31065116 46597674 62130232 69896511 93195348 124260464 139793022 186390696 209689533 248520928 279586044 372781392 419379066 497041856 559172088 745562784 838758132 1118344176 1491125568 1677516264 2236688352 3355032528 4473376704 6710065056 13420130112