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28568067913432 = 239797393780113
BaseRepresentation
bin1100111111011100001011…
…00010100011011011011000
310202011002011202211220010101
412133232011202203123120
512221024400341212212
6140431553401025144
76005655232441645
oct637560542433330
9122132152756111
1028568067913432
119114716629583
1232548241851b4
1312c2c5a0b3ac8
1470a9b7cb8dcc
153481c35e5157
hex19fb858a36d8

28568067913432 has 32 divisors (see below), whose sum is σ = 54122916229200. Its totient is φ = 14135320571904.

The previous prime is 28568067913391. The next prime is 28568067913433. The reversal of 28568067913432 is 23431976086582.

It is a super-2 number, since 2×285680679134322 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28568067913433) 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, 5667408 + ... + 9447520.

It is a 1-persistent number, because it is pandigital, but 2⋅28568067913432 = 57136135826864 is not.

Almost surely, 228568067913432 is an apocalyptic number.

It is an amenable number.

28568067913432 is a deficient number, since it is larger than the sum of its proper divisors (25554848315768).

28568067913432 is a wasteful number, since it uses less digits than its factorization.

28568067913432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789955 (or 3789951 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 28568067913432 in words is "twenty-eight trillion, five hundred sixty-eight billion, sixty-seven million, nine hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 97 194 388 776 9739 19478 38956 77912 944683 1889366 3778732 3780113 7557464 7560226 15120452 30240904 366670961 733341922 1466683844 2933367688 36814520507 73629041014 147258082028 294516164056 3571008489179 7142016978358 14284033956716 28568067913432