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25480257630912 = 2632732381195161
BaseRepresentation
bin1011100101100100101011…
…01101000111001011000000
310100012212222222001002020100
411302302111231013023000
511314432031423142122
6130105245130242400
75236613352213150
oct562622555071300
9110185888032210
1025480257630912
118134131188987
122a362b2886400
13112aa16302c66
14641372c46760
152e2beedaeaac
hex172c95b472c0

25480257630912 has 168 divisors, whose sum is σ = 83471071555872. Its totient is φ = 7279811481600.

The previous prime is 25480257630889. The next prime is 25480257630973. The reversal of 25480257630912 is 21903675208452.

25480257630912 is a `hidden beast` number, since 2 + 5 + 4 + 80 + 257 + 6 + 309 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130462612 + ... + 130657772.

It is an arithmetic number, because the mean of its divisors is an integer number (496851616404).

It is a 1-persistent number, because it is pandigital, but 2⋅25480257630912 = 50960515261824 is not.

Almost surely, 225480257630912 is an apocalyptic number.

It is an amenable number.

25480257630912 is an abundant number, since it is smaller than the sum of its proper divisors (57990813924960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25480257630912 is a wasteful number, since it uses less digits than its factorization.

25480257630912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227567 (or 227554 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 25480257630912 in words is "twenty-five trillion, four hundred eighty billion, two hundred fifty-seven million, six hundred thirty thousand, nine hundred twelve".