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82012700077 = 7211152157143
BaseRepresentation
bin100110001100001010…
…1100111110110101101
321211200121100211110021
41030120111213312231
52320430222400302
6101402012442141
75632231306600
oct1143025476655
9254617324407
1082012700077
1131866038480
1213a89a79351
1379701079c9
143d801bc337
15220003e437
hex1318567dad

82012700077 has 12 divisors (see below), whose sum is σ = 104075486496. Its totient is φ = 63905999640.

The previous prime is 82012700069. The next prime is 82012700083. The reversal of 82012700077 is 77000721028.

It is not a de Polignac number, because 82012700077 - 23 = 82012700069 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 (82012700977) 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, 76078033 + ... + 76079110.

It is an arithmetic number, because the mean of its divisors is an integer number (8672957208).

Almost surely, 282012700077 is an apocalyptic number.

It is an amenable number.

82012700077 is a deficient number, since it is larger than the sum of its proper divisors (22062786419).

82012700077 is a wasteful number, since it uses less digits than its factorization.

82012700077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152157168 (or 152157161 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 34.

The spelling of 82012700077 in words is "eighty-two billion, twelve million, seven hundred thousand, seventy-seven".

Divisors: 1 7 11 49 77 539 152157143 1065100001 1673728573 7455700007 11716100011 82012700077