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385550722067 = 7255061142903
BaseRepresentation
bin1011001110001001001…
…11010010010000010011
31100212011200200222221212
411213010213102100103
522304101441101232
6453041454010335
736566210031200
oct5470447222023
91325150628855
10385550722067
11139569370a95
12628801a69ab
132a484c26344
1414937178ca7
15a06811aeb2
hex59c49d2413

385550722067 has 12 divisors (see below), whose sum is σ = 448509062736. Its totient is φ = 330463733040.

The previous prime is 385550722049. The next prime is 385550722121. The reversal of 385550722067 is 760227055583.

It is not a de Polignac number, because 385550722067 - 220 = 385549673491 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (385550722967) 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 11 ways as a sum of consecutive naturals, for example, 2626538 + ... + 2769440.

It is an arithmetic number, because the mean of its divisors is an integer number (37375755228).

Almost surely, 2385550722067 is an apocalyptic number.

385550722067 is a deficient number, since it is larger than the sum of its proper divisors (62958340669).

385550722067 is a wasteful number, since it uses less digits than its factorization.

385550722067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197978 (or 197971 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 385550722067 in words is "three hundred eighty-five billion, five hundred fifty million, seven hundred twenty-two thousand, sixty-seven".

Divisors: 1 7 49 55061 142903 385427 1000321 2697989 7002247 7868382083 55078674581 385550722067