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28258110285 = 351883874019
BaseRepresentation
bin11010010100010100…
…001000101101001101
32200221100121201220020
4122110110020231031
5430333034012120
620552005212353
72020155655116
oct322424105515
980840551806
1028258110285
1110a90a6a559
1255877010b9
13288453cb22
141520d7b20d
15b05c4d640
hex694508b4d

28258110285 has 8 divisors (see below), whose sum is σ = 45212976480. Its totient is φ = 15070992144.

The previous prime is 28258110281. The next prime is 28258110317. The reversal of 28258110285 is 58201185282.

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

It is not a de Polignac number, because 28258110285 - 22 = 28258110281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28258110281) 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, 941936995 + ... + 941937024.

It is an arithmetic number, because the mean of its divisors is an integer number (5651622060).

Almost surely, 228258110285 is an apocalyptic number.

It is an amenable number.

28258110285 is a deficient number, since it is larger than the sum of its proper divisors (16954866195).

28258110285 is a wasteful number, since it uses less digits than its factorization.

28258110285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883874027.

The product of its (nonzero) digits is 102400, while the sum is 42.

The spelling of 28258110285 in words is "twenty-eight billion, two hundred fifty-eight million, one hundred ten thousand, two hundred eighty-five".

Divisors: 1 3 5 15 1883874019 5651622057 9419370095 28258110285