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87223830341 = 133711652331
BaseRepresentation
bin101000100111011110…
…0100000011101000101
322100010210000200021212
41101032330200131011
52412113300032331
6104023045221205
76205326216314
oct1211674403505
9270123020255
1087223830341
1133a9a63a7aa
1214aa3101805
1382c0919a3b
14431631c27b
15240779cd2b
hex144ef20745

87223830341 has 4 divisors (see below), whose sum is σ = 87224616384. Its totient is φ = 87223044300.

The previous prime is 87223830307. The next prime is 87223830359. The reversal of 87223830341 is 14303832278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 87223830341 - 210 = 87223829317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87223830361) 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 3 ways as a sum of consecutive naturals, for example, 192455 + ... + 459876.

It is an arithmetic number, because the mean of its divisors is an integer number (21806154096).

Almost surely, 287223830341 is an apocalyptic number.

It is an amenable number.

87223830341 is a deficient number, since it is larger than the sum of its proper divisors (786043).

87223830341 is a wasteful number, since it uses less digits than its factorization.

87223830341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786042.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 87223830341 in words is "eighty-seven billion, two hundred twenty-three million, eight hundred thirty thousand, three hundred forty-one".

Divisors: 1 133711 652331 87223830341