Base | Representation |
---|---|
bin | 1000010110110… |
… | …10010010000101 |
3 | 11212220110021001 |
4 | 10023122102011 |
5 | 120421200401 |
6 | 10542253301 |
7 | 1510561321 |
oct | 413322205 |
9 | 155813231 |
10 | 70100101 |
11 | 3662a275 |
12 | 1b587231 |
13 | 116a5266 |
14 | 944a981 |
15 | 624a601 |
hex | 42da485 |
70100101 has 4 divisors (see below), whose sum is σ = 73789600. Its totient is φ = 66410604.
The previous prime is 70100099. The next prime is 70100111. The reversal of 70100101 is 10100107.
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.
It is a cyclic number.
It is not a de Polignac number, because 70100101 - 21 = 70100099 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70100111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844721 + ... + 1844758.
It is an arithmetic number, because the mean of its divisors is an integer number (18447400).
Almost surely, 270100101 is an apocalyptic number.
It is an amenable number.
70100101 is a deficient number, since it is larger than the sum of its proper divisors (3689499).
70100101 is a wasteful number, since it uses less digits than its factorization.
70100101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3689498.
The product of its (nonzero) digits is 7, while the sum is 10.
The square root of 70100101 is about 8372.5803071693. The cubic root of 70100101 is about 412.3248863083.
Adding to 70100101 its reverse (10100107), we get a palindrome (80200208).
The spelling of 70100101 in words is "seventy million, one hundred thousand, one hundred one".
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