Base | Representation |
---|---|
bin | 1000100000100… |
… | …10110010000101 |
3 | 11222022111002110 |
4 | 10100102302011 |
5 | 121233130401 |
6 | 11025531233 |
7 | 1524502152 |
oct | 420226205 |
9 | 158274073 |
10 | 71380101 |
11 | 37323a21 |
12 | 1baa3b19 |
13 | 11a32a60 |
14 | 96a1229 |
15 | 63ee9d6 |
hex | 4412c85 |
71380101 has 16 divisors (see below), whose sum is σ = 102735360. Its totient is φ = 43823040.
The previous prime is 71380097. The next prime is 71380121. The reversal of 71380101 is 10108317.
It is not a de Polignac number, because 71380101 - 22 = 71380097 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71380121) 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, 16771 + ... + 20591.
It is an arithmetic number, because the mean of its divisors is an integer number (6420960).
Almost surely, 271380101 is an apocalyptic number.
It is an amenable number.
71380101 is a deficient number, since it is larger than the sum of its proper divisors (31355259).
71380101 is a wasteful number, since it uses less digits than its factorization.
71380101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4316.
The product of its (nonzero) digits is 168, while the sum is 21.
The square root of 71380101 is about 8448.6745114249. The cubic root of 71380101 is about 414.8193940017.
Adding to 71380101 its reverse (10108317), we get a palindrome (81488418).
The spelling of 71380101 in words is "seventy-one million, three hundred eighty thousand, one hundred one".
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