Base | Representation |
---|---|
bin | 110101010100100110… |
… | …111110100011010110 |
3 | 12110210010122112211112 |
4 | 311110212332203112 |
5 | 1414224021004203 |
6 | 42145133335022 |
7 | 4064544432116 |
oct | 652446764326 |
9 | 173703575745 |
10 | 57254078678 |
11 | 223104867a5 |
12 | b11a337472 |
13 | 55258b5984 |
14 | 2ab1d09046 |
15 | 175164b6d8 |
hex | d549be8d6 |
57254078678 has 16 divisors (see below), whose sum is σ = 90410896320. Its totient is φ = 27117437256.
The previous prime is 57254078669. The next prime is 57254078681. The reversal of 57254078678 is 87687045275.
It is a super-2 number, since 2×572540786782 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300425 + ... + 452507.
It is an arithmetic number, because the mean of its divisors is an integer number (5650681020).
Almost surely, 257254078678 is an apocalyptic number.
57254078678 is a deficient number, since it is larger than the sum of its proper divisors (33156817642).
57254078678 is a wasteful number, since it uses less digits than its factorization.
57254078678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162011.
The product of its (nonzero) digits is 26342400, while the sum is 59.
The spelling of 57254078678 in words is "fifty-seven billion, two hundred fifty-four million, seventy-eight thousand, six hundred seventy-eight".
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