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228448736109719 = 972123500538639
BaseRepresentation
bin110011111100010111011101…
…110000111110010010010111
31002221212111010012122020011222
4303330113131300332102113
5214420401002421002334
62125511522303520555
766055606434345266
oct6374273560762227
91087774105566158
10228448736109719
1166877623984544
1221756a8b5b915b
139a61814740a38
14405ad992125dd
151b627211bcd2e
hexcfc5ddc3e497

228448736109719 has 4 divisors (see below), whose sum is σ = 228472236658080. Its totient is φ = 228425235561360.

The previous prime is 228448736109697. The next prime is 228448736109739. The reversal of 228448736109719 is 917901637844822.

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 228448736109719 - 236 = 228380016632983 is a prime.

It is a super-2 number, since 2×2284487361097192 (a number of 30 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 (228448736109739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11750259599 + ... + 11750279040.

It is an arithmetic number, because the mean of its divisors is an integer number (57118059164520).

Almost surely, 2228448736109719 is an apocalyptic number.

228448736109719 is a deficient number, since it is larger than the sum of its proper divisors (23500548361).

228448736109719 is an equidigital number, since it uses as much as digits as its factorization.

228448736109719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23500548360.

The product of its (nonzero) digits is 292626432, while the sum is 71.

The spelling of 228448736109719 in words is "two hundred twenty-eight trillion, four hundred forty-eight billion, seven hundred thirty-six million, one hundred nine thousand, seven hundred nineteen".

Divisors: 1 9721 23500538639 228448736109719