Base | Representation |
---|---|
bin | 1011111011101111100101… |
… | …0001011001101001111101 |
3 | 1201110100121220022202021100 |
4 | 2332323321101121221331 |
5 | 3204433313111212201 |
6 | 43523413152123313 |
7 | 2522650625411262 |
oct | 276737121315175 |
9 | 51410556282240 |
10 | 13121012210301 |
11 | 41a9654368456 |
12 | 157ab34536539 |
13 | 7423c9796598 |
14 | 3350bb977269 |
15 | 17b493431886 |
hex | beef9459a7d |
13121012210301 has 6 divisors (see below), whose sum is σ = 18952573192670. Its totient is φ = 8747341473528.
The previous prime is 13121012210233. The next prime is 13121012210321. The reversal of 13121012210301 is 10301221012131.
13121012210301 is a `hidden beast` number, since 1 + 31 + 210 + 122 + 1 + 0 + 301 = 666.
It can be written as a sum of positive squares in only one way, i.e., 9104394987801 + 4016617222500 = 3017349^2 + 2004150^2 .
It is not a de Polignac number, because 13121012210301 - 221 = 13121010113149 is a prime.
It is a super-2 number, since 2×131210122103012 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13121012210321) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 728945122786 + ... + 728945122803.
Almost surely, 213121012210301 is an apocalyptic number.
It is an amenable number.
13121012210301 is a deficient number, since it is larger than the sum of its proper divisors (5831560982369).
13121012210301 is a wasteful number, since it uses less digits than its factorization.
13121012210301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1457890245595 (or 1457890245592 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 13121012210301 its reverse (10301221012131), we get a palindrome (23422233222432).
The spelling of 13121012210301 in words is "thirteen trillion, one hundred twenty-one billion, twelve million, two hundred ten thousand, three hundred one".
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