Base | Representation |
---|---|
bin | 1000010110101… |
… | …01100111110010 |
3 | 11212212111001222 |
4 | 10023111213302 |
5 | 120420043020 |
6 | 10542025042 |
7 | 1510451546 |
oct | 413254762 |
9 | 155774058 |
10 | 70081010 |
11 | 3661699a |
12 | 1b578182 |
13 | 1169966c |
14 | 9443a26 |
15 | 6244b25 |
hex | 42d59f2 |
70081010 has 8 divisors (see below), whose sum is σ = 126145836. Its totient is φ = 28032400.
The previous prime is 70081001. The next prime is 70081043. The reversal of 70081010 is 1018007.
It can be written as a sum of positive squares in 2 ways, for example, as 67453369 + 2627641 = 8213^2 + 1621^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×700810102 = 9822695925240200, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 70081010.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3504041 + ... + 3504060.
Almost surely, 270081010 is an apocalyptic number.
70081010 is a deficient number, since it is larger than the sum of its proper divisors (56064826).
70081010 is a wasteful number, since it uses less digits than its factorization.
70081010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7008108.
The product of its (nonzero) digits is 56, while the sum is 17.
The square root of 70081010 is about 8371.4401389486. The cubic root of 70081010 is about 412.2874521772.
Adding to 70081010 its reverse (1018007), we get a palindrome (71099017).
The spelling of 70081010 in words is "seventy million, eighty-one thousand, ten".
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