Search a number
-
+
228028515069 = 3205633696421
BaseRepresentation
bin1101010001011110001…
…1110000001011111101
3210210120200212202222010
43110113203300023331
512214000244440234
6252431014241433
722321521253245
oct3242743601375
9723520782863
10228028515069
1188785174443
123823a356279
1318670112034
14b072774b25
155de8e6e6e9
hex35178f02fd

228028515069 has 8 divisors (see below), whose sum is σ = 304052888032. Its totient is φ = 152011576080.

The previous prime is 228028515031. The next prime is 228028515103. The reversal of 228028515069 is 960515820822.

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

It is not a de Polignac number, because 228028515069 - 225 = 227994960637 is a prime.

It is a super-2 number, since 2×2280285150692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228028515769) 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, 1786522 + ... + 1909899.

It is an arithmetic number, because the mean of its divisors is an integer number (38006611004).

Almost surely, 2228028515069 is an apocalyptic number.

It is an amenable number.

228028515069 is a deficient number, since it is larger than the sum of its proper divisors (76024372963).

228028515069 is a wasteful number, since it uses less digits than its factorization.

228028515069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716987.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 228028515069 in words is "two hundred twenty-eight billion, twenty-eight million, five hundred fifteen thousand, sixty-nine".

Divisors: 1 3 20563 61689 3696421 11089263 76009505023 228028515069