Base | Representation |
---|---|
bin | 111111111000011100… |
… | …001110010011000100 |
3 | 20120001100012001001011 |
4 | 333320130032103010 |
5 | 2110434210020404 |
6 | 51302214412004 |
7 | 4645534653412 |
oct | 777034162304 |
9 | 216040161034 |
10 | 68592657604 |
11 | 270a9848989 |
12 | 11363661004 |
13 | 66119c7b83 |
14 | 3469b522b2 |
15 | 1bb6cba604 |
hex | ff870e4c4 |
68592657604 has 27 divisors (see below), whose sum is σ = 127530069037. Its totient is φ = 32274707264.
The previous prime is 68592657521. The next prime is 68592657647. The reversal of 68592657604 is 40675629586.
The square root of 68592657604 is 261902.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 53402588100 + 15190069504 = 231090^2 + 123248^2 .
It is a Duffinian number.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 8900817 + ... + 8908519.
Almost surely, 268592657604 is an apocalyptic number.
68592657604 is the 261902-nd square number.
It is an amenable number.
68592657604 is a deficient number, since it is larger than the sum of its proper divisors (58937411433).
68592657604 is an frugal number, since it uses more digits than its factorization.
68592657604 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15444 (or 7722 counting only the distinct ones).
The product of its (nonzero) digits is 21772800, while the sum is 58.
The spelling of 68592657604 in words is "sixty-eight billion, five hundred ninety-two million, six hundred fifty-seven thousand, six hundred four".
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