Base | Representation |
---|---|
bin | 100000101010011101… |
… | …0010001110001111111 |
3 | 20201001110101102200202 |
4 | 1001110322101301333 |
5 | 2122123333240223 |
6 | 52120154114115 |
7 | 5032143334346 |
oct | 1012472216177 |
9 | 221043342622 |
10 | 70144040063 |
11 | 27825533549 |
12 | 1171711b93b |
13 | 67cb23a866 |
14 | 3575bccb5d |
15 | 1c580b4428 |
hex | 1054e91c7f |
70144040063 has 4 divisors (see below), whose sum is σ = 70290479040. Its totient is φ = 69997601088.
The previous prime is 70144040003. The next prime is 70144040107. The reversal of 70144040063 is 36004044107.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36004044107 = 499 ⋅72152393.
It is a cyclic number.
It is not a de Polignac number, because 70144040063 - 210 = 70144039039 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 (70144040003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73218770 + ... + 73219727.
It is an arithmetic number, because the mean of its divisors is an integer number (17572619760).
Almost surely, 270144040063 is an apocalyptic number.
70144040063 is a deficient number, since it is larger than the sum of its proper divisors (146438977).
70144040063 is a wasteful number, since it uses less digits than its factorization.
70144040063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146438976.
The product of its (nonzero) digits is 8064, while the sum is 29.
The spelling of 70144040063 in words is "seventy billion, one hundred forty-four million, forty thousand, sixty-three".
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