Base | Representation |
---|---|
bin | 100001010000001111… |
… | …1101101001000110101 |
3 | 20211022211112201102001 |
4 | 1002200133231020311 |
5 | 2132223002031040 |
6 | 52450054015301 |
7 | 5105442124414 |
oct | 1024037551065 |
9 | 224284481361 |
10 | 71412142645 |
11 | 28316324808 |
12 | 11a0b947531 |
13 | 6970b8800c |
14 | 36563a947b |
15 | 1cce5a359a |
hex | 10a07ed235 |
71412142645 has 16 divisors (see below), whose sum is σ = 85924800000. Its totient is φ = 56976394048.
The previous prime is 71412142639. The next prime is 71412142649. The reversal of 71412142645 is 54624121417.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-71412142645 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71412142649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3805596 + ... + 3824314.
It is an arithmetic number, because the mean of its divisors is an integer number (5370300000).
Almost surely, 271412142645 is an apocalyptic number.
It is an amenable number.
71412142645 is a deficient number, since it is larger than the sum of its proper divisors (14512657355).
71412142645 is a wasteful number, since it uses less digits than its factorization.
71412142645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20732.
The product of its digits is 53760, while the sum is 37.
The spelling of 71412142645 in words is "seventy-one billion, four hundred twelve million, one hundred forty-two thousand, six hundred forty-five".
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