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87223830306 = 2314537305051
BaseRepresentation
bin101000100111011110…
…0100000011100100010
322100010210000200020120
41101032330200130202
52412113300032211
6104023045221110
76205326216234
oct1211674403442
9270123020216
1087223830306
1133a9a63a778
1214aa3101796
1382c0919a12
14431631c254
15240779cd06
hex144ef20722

87223830306 has 8 divisors (see below), whose sum is σ = 174447660624. Its totient is φ = 29074610100.

The previous prime is 87223830289. The next prime is 87223830307. The reversal of 87223830306 is 60303832278.

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

87223830306 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (87223830307) 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, 7268652520 + ... + 7268652531.

It is an arithmetic number, because the mean of its divisors is an integer number (21805957578).

Almost surely, 287223830306 is an apocalyptic number.

87223830306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87223830306 is a wasteful number, since it uses less digits than its factorization.

87223830306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14537305056.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 87223830306 in words is "eighty-seven billion, two hundred twenty-three million, eight hundred thirty thousand, three hundred six".

Divisors: 1 2 3 6 14537305051 29074610102 43611915153 87223830306