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28301110283 = 103274768061
BaseRepresentation
bin11010010110111000…
…001010110000001011
32201001100112100210202
4122112320022300023
5430430041012113
621000143002415
72021220316415
oct322670126013
981040470722
1028301110283
111100326a046
125599b9940b
132890417004
1415269719b5
15b098e4258
hex696e0ac0b

28301110283 has 4 divisors (see below), whose sum is σ = 28575878448. Its totient is φ = 28026342120.

The previous prime is 28301110241. The next prime is 28301110307. The reversal of 28301110283 is 38201110382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28301110283 - 210 = 28301109259 is a prime.

It is a super-4 number, since 4×283011102834 (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28301110483) 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, 137383928 + ... + 137384133.

It is an arithmetic number, because the mean of its divisors is an integer number (7143969612).

Almost surely, 228301110283 is an apocalyptic number.

28301110283 is a deficient number, since it is larger than the sum of its proper divisors (274768165).

28301110283 is a wasteful number, since it uses less digits than its factorization.

28301110283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274768164.

The product of its (nonzero) digits is 2304, while the sum is 29.

Subtracting 28301110283 from its reverse (38201110382), we obtain a palindrome (9900000099).

The spelling of 28301110283 in words is "twenty-eight billion, three hundred one million, one hundred ten thousand, two hundred eighty-three".

Divisors: 1 103 274768061 28301110283