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228324866561 = 1171292349381
BaseRepresentation
bin1101010010100100111…
…0001111101000000001
3210211100100111222210022
43110221032033220001
512220102131212221
6252520242143225
722332050225621
oct3245116175001
9724310458708
10228324866561
1188917486730
1238301651b15
13186b963324c
14b09dc78881
155e14eac4ab
hex352938fa01

228324866561 has 8 divisors (see below), whose sum is σ = 252589866048. Its totient is φ = 204644566000.

The previous prime is 228324866537. The next prime is 228324866591. The reversal of 228324866561 is 165668423822.

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

It is a cyclic number.

It is not a de Polignac number, because 228324866561 - 234 = 211144997377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228324866591) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 146173910 + ... + 146175471.

It is an arithmetic number, because the mean of its divisors is an integer number (31573733256).

Almost surely, 2228324866561 is an apocalyptic number.

It is an amenable number.

228324866561 is a deficient number, since it is larger than the sum of its proper divisors (24264999487).

228324866561 is a wasteful number, since it uses less digits than its factorization.

228324866561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292349463.

The product of its digits is 6635520, while the sum is 53.

The spelling of 228324866561 in words is "two hundred twenty-eight billion, three hundred twenty-four million, eight hundred sixty-six thousand, five hundred sixty-one".

Divisors: 1 11 71 781 292349381 3215843191 20756806051 228324866561