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13043103120012 = 2237155275037143
BaseRepresentation
bin1011110111001101010110…
…0001110011101010001100
31201011220112021121220011210
42331303111201303222030
53202144233344320022
643423530250014420
72514222153153330
oct275632541635214
951156467556153
1013043103120012
114179604750829
121567a10a17410
13737c618b8b64
1433140a79d7c0
151794337d1a0c
hexbdcd5873a8c

13043103120012 has 24 divisors (see below), whose sum is σ = 34781608320256. Its totient is φ = 3726600891408.

The previous prime is 13043103120011. The next prime is 13043103120067. The reversal of 13043103120012 is 21002130134031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13043103120011) 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, 77637518488 + ... + 77637518655.

Almost surely, 213043103120012 is an apocalyptic number.

13043103120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13043103120012 is an abundant number, since it is smaller than the sum of its proper divisors (21738505200244).

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

13043103120012 is a wasteful number, since it uses less digits than its factorization.

13043103120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155275037157 (or 155275037155 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13043103120012 its reverse (21002130134031), we get a palindrome (34045233254043).

The spelling of 13043103120012 in words is "thirteen trillion, forty-three billion, one hundred three million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 155275037143 310550074286 465825111429 621100148572 931650222858 1086925260001 1863300445716 2173850520002 3260775780003 4347701040004 6521551560006 13043103120012