Base | Representation |
---|---|
bin | 1011111011111000000110… |
… | …1100111100100000111001 |
3 | 1201110120112102100001000212 |
4 | 2332332001230330200321 |
5 | 3210003010042213340 |
6 | 43524432235440505 |
7 | 2523061431053345 |
oct | 276760154744071 |
9 | 51416472301025 |
10 | 13123301132345 |
11 | 41aa619402468 |
12 | 157b472bb6135 |
13 | 7426a2a60321 |
14 | 335257960625 |
15 | 17b579365a65 |
hex | bef81b3c839 |
13123301132345 has 16 divisors (see below), whose sum is σ = 15809954967360. Its totient is φ = 10457363473344.
The previous prime is 13123301132311. The next prime is 13123301132443. The reversal of 13123301132345 is 54323110332131.
It is a cyclic number.
It is not a de Polignac number, because 13123301132345 - 28 = 13123301132089 is a prime.
It is a super-2 number, since 2×131233011323452 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193135 + ... + 5260244.
It is an arithmetic number, because the mean of its divisors is an integer number (988122185460).
Almost surely, 213123301132345 is an apocalyptic number.
It is an amenable number.
13123301132345 is a deficient number, since it is larger than the sum of its proper divisors (2686653835015).
13123301132345 is a wasteful number, since it uses less digits than its factorization.
13123301132345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6454984.
The product of its (nonzero) digits is 19440, while the sum is 32.
Adding to 13123301132345 its reverse (54323110332131), we get a palindrome (67446411464476).
The spelling of 13123301132345 in words is "thirteen trillion, one hundred twenty-three billion, three hundred one million, one hundred thirty-two thousand, three hundred forty-five".
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