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256250154066230 = 2583308735125381
BaseRepresentation
bin111010010000111011100011…
…011010000010000100110110
31020121022021102211100002212102
4322100323203122002010312
5232041400303420104410
62304555410131422102
7104655314462033432
oct7220734332020466
91217267384302772
10256250154066230
11747160975a72a5
12248a6bb6154932
13acca393cc447c
14473c8060959c2
151e959c42852a5
hexe90ee3682136

256250154066230 has 16 divisors (see below), whose sum is σ = 466807509577584. Its totient is φ = 101265121124640.

The previous prime is 256250154066229. The next prime is 256250154066239. The reversal of 256250154066230 is 32660451052652.

It is a super-2 number, since 2×2562501540662302 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256250154066239) 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, 154367561861 + ... + 154367563520.

It is an arithmetic number, because the mean of its divisors is an integer number (29175469348599).

Almost surely, 2256250154066230 is an apocalyptic number.

256250154066230 is a deficient number, since it is larger than the sum of its proper divisors (210557355511354).

256250154066230 is a wasteful number, since it uses less digits than its factorization.

256250154066230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308735125471.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 256250154066230 in words is "two hundred fifty-six trillion, two hundred fifty billion, one hundred fifty-four million, sixty-six thousand, two hundred thirty".

Divisors: 1 2 5 10 83 166 415 830 308735125381 617470250762 1543675626905 3087351253810 25625015406623 51250030813246 128125077033115 256250154066230