Base | Representation |
---|---|
bin | 11101011000111111001101… |
… | …10101011000001101101011 |
3 | 22110211120221221110202121222 |
4 | 32230133212311120031223 |
5 | 31432400220341433103 |
6 | 345242420332052255 |
7 | 16420244510554121 |
oct | 1654374665301553 |
9 | 273746857422558 |
10 | 64630245655403 |
11 | 1965859584689a |
12 | 72b993660408b |
13 | 2a0a7b554a52c |
14 | 11d6198c2d911 |
15 | 7712aad7b638 |
hex | 3ac7e6d5836b |
64630245655403 has 8 divisors (see below), whose sum is σ = 64851412039680. Its totient is φ = 64409438601000.
The previous prime is 64630245655397. The next prime is 64630245655421. The reversal of 64630245655403 is 30455654203646.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64630245655403 - 210 = 64630245654379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64630245655483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89472125 + ... + 90191582.
It is an arithmetic number, because the mean of its divisors is an integer number (8106426504960).
Almost surely, 264630245655403 is an apocalyptic number.
64630245655403 is a deficient number, since it is larger than the sum of its proper divisors (221166384277).
64630245655403 is a wasteful number, since it uses less digits than its factorization.
64630245655403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179664937.
The product of its (nonzero) digits is 31104000, while the sum is 53.
The spelling of 64630245655403 in words is "sixty-four trillion, six hundred thirty billion, two hundred forty-five million, six hundred fifty-five thousand, four hundred three".
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