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28002672916730 = 252800267291673
BaseRepresentation
bin1100101110111111000010…
…10111110011100011111010
310200011000210102102010221222
412113133201113303203322
512132243433231313410
6135320130024032042
75620061224324241
oct627374127634372
9120130712363858
1028002672916730
118a16959919166
123183132602622
13128184389b115
146cb49d8bd958
153386317d1955
hex1977e15f38fa

28002672916730 has 8 divisors (see below), whose sum is σ = 50404811250132. Its totient is φ = 11201069166688.

The previous prime is 28002672916717. The next prime is 28002672916733. The reversal of 28002672916730 is 3761927620082.

It can be written as a sum of positive squares in 2 ways, for example, as 26943397634209 + 1059275282521 = 5190703^2 + 1029211^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28002672916733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400133645827 + ... + 1400133645846.

Almost surely, 228002672916730 is an apocalyptic number.

28002672916730 is a deficient number, since it is larger than the sum of its proper divisors (22402138333402).

28002672916730 is a wasteful number, since it uses less digits than its factorization.

28002672916730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800267291680.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 28002672916730 in words is "twenty-eight trillion, two billion, six hundred seventy-two million, nine hundred sixteen thousand, seven hundred thirty".

Divisors: 1 2 5 10 2800267291673 5600534583346 14001336458365 28002672916730