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28888446242086 = 2107134992739449
BaseRepresentation
bin1101001000110000111011…
…00100111000110100100110
310210021201010111012021110121
412210120131210320310212
512241302014214221321
6141235100300312154
76041056425343234
oct644303544706446
9123251114167417
1028888446242086
119228580868802
1232a693624265a
131317226ab1842
1471c2cb665954
153516c4d52441
hex1a461d938d26

28888446242086 has 8 divisors (see below), whose sum is σ = 43737647581800. Its totient is φ = 14309230381488.

The previous prime is 28888446242081. The next prime is 28888446242099. The reversal of 28888446242086 is 68024264488882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28888446242081) 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, 67496369511 + ... + 67496369938.

It is an arithmetic number, because the mean of its divisors is an integer number (5467205947725).

Almost surely, 228888446242086 is an apocalyptic number.

28888446242086 is a deficient number, since it is larger than the sum of its proper divisors (14849201339714).

28888446242086 is a wasteful number, since it uses less digits than its factorization.

28888446242086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134992739558.

The product of its (nonzero) digits is 603979776, while the sum is 70.

The spelling of 28888446242086 in words is "twenty-eight trillion, eight hundred eighty-eight billion, four hundred forty-six million, two hundred forty-two thousand, eighty-six".

Divisors: 1 2 107 214 134992739449 269985478898 14444223121043 28888446242086