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9782212708031 = 172227149112277
BaseRepresentation
bin1000111001011001100101…
…0100000100011010111111
31021122011121020000111212112
42032112121110010122333
52240232432423124111
632445515251324235
72026512231041231
oct216263124043277
937564536014775
109782212708031
113131682063125
12111ba372b067b
1355c5c69c241a
1425b666990251
1511e6d012ee8b
hex8e5995046bf

9782212708031 has 12 divisors (see below), whose sum is σ = 10437263010888. Its totient is φ = 9166229830272.

The previous prime is 9782212708007. The next prime is 9782212708033. The reversal of 9782212708031 is 1308072122879.

9782212708031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9782212708031 - 238 = 9507334801087 is a prime.

It is a super-2 number, since 2×97822127080312 (a number of 27 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 (9782212708033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74490536 + ... + 74621741.

It is an arithmetic number, because the mean of its divisors is an integer number (869771917574).

Almost surely, 29782212708031 is an apocalyptic number.

9782212708031 is a deficient number, since it is larger than the sum of its proper divisors (655050302857).

9782212708031 is a wasteful number, since it uses less digits than its factorization.

9782212708031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149112538 (or 149112521 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 9782212708031 in words is "nine trillion, seven hundred eighty-two billion, two hundred twelve million, seven hundred eight thousand, thirty-one".

Divisors: 1 17 227 289 3859 65603 149112277 2534908709 33848486879 43093448053 575424276943 9782212708031