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28002500555005 = 538930314385967
BaseRepresentation
bin1100101110111110101110…
…00110010011000011111101
310200011000100102002021010101
412113133113012103003331
512132243110120230010
6135320100545441101
75620054032301024
oct627372706230375
9120130312067111
1028002500555005
118a168805a3259
1231830a4940191
131281816c6cb32
146cb484a538bb
153386215d673a
hex1977d71930fd

28002500555005 has 8 divisors (see below), whose sum is σ = 33603089317632. Its totient is φ = 22401941342928.

The previous prime is 28002500554979. The next prime is 28002500555021. The reversal of 28002500555005 is 50055500520082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28002500555005 is a prime.

It is a Duffinian number.

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, 5246469 + ... + 9139498.

It is an arithmetic number, because the mean of its divisors is an integer number (4200386164704).

Almost surely, 228002500555005 is an apocalyptic number.

It is an amenable number.

28002500555005 is a deficient number, since it is larger than the sum of its proper divisors (5600588762627).

28002500555005 is a wasteful number, since it uses less digits than its factorization.

28002500555005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14775275.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 28002500555005 in words is "twenty-eight trillion, two billion, five hundred million, five hundred fifty-five thousand, five".

Divisors: 1 5 389303 1946515 14385967 71929835 5600500111001 28002500555005