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28002077498 = 225395514391
BaseRepresentation
bin11010000101000011…
…011100101100111010
32200021111211220221102
4122011003130230322
5424322012434443
620510341411402
72010626505623
oct320503345472
980244756842
1028002077498
111096a49630a
125515a09b62
132843497535
1414d8d70a4a
15add526cb8
hex6850dcb3a

28002077498 has 8 divisors (see below), whose sum is σ = 42019667040. Its totient is φ = 13995521820.

The previous prime is 28002077489. The next prime is 28002077503. The reversal of 28002077498 is 89477020082.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752118 + ... + 2762273.

It is an arithmetic number, because the mean of its divisors is an integer number (5252458380).

Almost surely, 228002077498 is an apocalyptic number.

28002077498 is a deficient number, since it is larger than the sum of its proper divisors (14017589542).

28002077498 is a wasteful number, since it uses less digits than its factorization.

28002077498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516932.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 28002077498 in words is "twenty-eight billion, two million, seventy-seven thousand, four hundred ninety-eight".

Divisors: 1 2 2539 5078 5514391 11028782 14001038749 28002077498