Base | Representation |
---|---|
bin | 1000010111001… |
… | …00100000111100 |
3 | 11212222120202022 |
4 | 10023210200330 |
5 | 120424021022 |
6 | 10543215312 |
7 | 1511124443 |
oct | 413444074 |
9 | 155876668 |
10 | 70142012 |
11 | 36658806 |
12 | 1b5a7538 |
13 | 116bb365 |
14 | 945bd5a |
15 | 6257c42 |
hex | 42e483c |
70142012 has 6 divisors (see below), whose sum is σ = 122748528. Its totient is φ = 35071004.
The previous prime is 70142011. The next prime is 70142029. The reversal of 70142012 is 21024107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70142011) 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 as a sum of consecutive naturals, namely, 8767748 + ... + 8767755.
It is an arithmetic number, because the mean of its divisors is an integer number (20458088).
Almost surely, 270142012 is an apocalyptic number.
It is an amenable number.
70142012 is a deficient number, since it is larger than the sum of its proper divisors (52606516).
70142012 is a wasteful number, since it uses less digits than its factorization.
70142012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17535507 (or 17535505 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 70142012 is about 8375.0828055608. The cubic root of 70142012 is about 412.4070426593.
Adding to 70142012 its reverse (21024107), we get a palindrome (91166119).
The spelling of 70142012 in words is "seventy million, one hundred forty-two thousand, twelve".
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