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248823420827 = 421501590327
BaseRepresentation
bin1110011110111100001…
…0000001011110011011
3212210020221011102220212
43213233002001132123
513034042243431302
6310150301241335
723656035115532
oct3475702013633
9783227142825
10248823420827
1196586374973
124028256324b
131a6053a7bb7
14c08645b319
1567148a8052
hex39ef08179b

248823420827 has 4 divisors (see below), whose sum is σ = 248824432656. Its totient is φ = 248822409000.

The previous prime is 248823420809. The next prime is 248823420887. The reversal of 248823420827 is 728024328842.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 728024328842 = 2364012164421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248823420827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248823420887) 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, 126338 + ... + 716664.

It is an arithmetic number, because the mean of its divisors is an integer number (62206108164).

Almost surely, 2248823420827 is an apocalyptic number.

248823420827 is a deficient number, since it is larger than the sum of its proper divisors (1011829).

248823420827 is an equidigital number, since it uses as much as digits as its factorization.

248823420827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011828.

The product of its (nonzero) digits is 2752512, while the sum is 50.

The spelling of 248823420827 in words is "two hundred forty-eight billion, eight hundred twenty-three million, four hundred twenty thousand, eight hundred twenty-seven".

Divisors: 1 421501 590327 248823420827