Base | Representation |
---|---|
bin | 101111100011011011… |
… | …0000100010011110001 |
3 | 100202120221101020202202 |
4 | 1133012312010103301 |
5 | 3133120244410001 |
6 | 114525144352545 |
7 | 10243431212213 |
oct | 1370666042361 |
9 | 322527336682 |
10 | 102120310001 |
11 | 3a344286416 |
12 | 1795ba75755 |
13 | 9825b8bb48 |
14 | 4d2a8b65b3 |
15 | 29ca46496b |
hex | 17c6d844f1 |
102120310001 has 4 divisors (see below), whose sum is σ = 102288548352. Its totient is φ = 101952071652.
The previous prime is 102120309943. The next prime is 102120310009. The reversal of 102120310001 is 100013021201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100013021201 = 29 ⋅3448724869.
It is a cyclic number.
It is not a de Polignac number, because 102120310001 - 214 = 102120293617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102120310009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84118265 + ... + 84119478.
It is an arithmetic number, because the mean of its divisors is an integer number (25572137088).
Almost surely, 2102120310001 is an apocalyptic number.
It is an amenable number.
102120310001 is a deficient number, since it is larger than the sum of its proper divisors (168238351).
102120310001 is an equidigital number, since it uses as much as digits as its factorization.
102120310001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168238350.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 102120310001 its reverse (100013021201), we get a palindrome (202133331202).
The spelling of 102120310001 in words is "one hundred two billion, one hundred twenty million, three hundred ten thousand, one".
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