Base | Representation |
---|---|
bin | 1000011111001… |
… | …10110101100101 |
3 | 11221222100011210 |
4 | 10033212311211 |
5 | 121211400401 |
6 | 11022022033 |
7 | 1523122320 |
oct | 417466545 |
9 | 157870153 |
10 | 71200101 |
11 | 37210765 |
12 | 1ba17919 |
13 | 1199bb4b |
14 | 96557b7 |
15 | 63b64d6 |
hex | 43e6d65 |
71200101 has 16 divisors (see below), whose sum is σ = 108904448. Its totient is φ = 40532400.
The previous prime is 71200081. The next prime is 71200117. The reversal of 71200101 is 10100217.
It is not a de Polignac number, because 71200101 - 211 = 71198053 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 (71200121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565 + ... + 11946.
It is an arithmetic number, because the mean of its divisors is an integer number (6806528).
Almost surely, 271200101 is an apocalyptic number.
It is an amenable number.
71200101 is a deficient number, since it is larger than the sum of its proper divisors (37704347).
71200101 is a wasteful number, since it uses less digits than its factorization.
71200101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12792.
The product of its (nonzero) digits is 14, while the sum is 12.
The square root of 71200101 is about 8438.0152287134. The cubic root of 71200101 is about 414.4704155925.
Adding to 71200101 its reverse (10100217), we get a palindrome (81300318).
The spelling of 71200101 in words is "seventy-one million, two hundred thousand, one hundred one".
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