Base | Representation |
---|---|
bin | 101111001000011000… |
… | …1110001001011011001 |
3 | 100200020201111222011101 |
4 | 1132100301301023121 |
5 | 3124241040312101 |
6 | 114255142231401 |
7 | 10212105055546 |
oct | 1362061611331 |
9 | 320221458141 |
10 | 101213213401 |
11 | 39a19247303 |
12 | 17748125561 |
13 | 970cc7c2b1 |
14 | 4c8222dbcd |
15 | 29759d5401 |
hex | 1790c712d9 |
101213213401 has 6 divisors (see below), whose sum is σ = 103742040206. Its totient is φ = 98744596800.
The previous prime is 101213213399. The next prime is 101213213417. The reversal of 101213213401 is 104312312101.
It can be written as a sum of positive squares in 3 ways, for example, as 13346025625 + 87867187776 = 115525^2 + 296424^2 .
It is not a de Polignac number, because 101213213401 - 21 = 101213213399 is a prime.
It is a super-2 number, since 2×1012132134012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101213243401) 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, 30103380 + ... + 30106741.
Almost surely, 2101213213401 is an apocalyptic number.
It is an amenable number.
101213213401 is a deficient number, since it is larger than the sum of its proper divisors (2528826805).
101213213401 is an frugal number, since it uses more digits than its factorization.
101213213401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60210203 (or 60210162 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 101213213401 its reverse (104312312101), we get a palindrome (205525525502).
The spelling of 101213213401 in words is "one hundred one billion, two hundred thirteen million, two hundred thirteen thousand, four hundred one".
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