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86746064768 = 271161609421
BaseRepresentation
bin101000011001001110…
…1111110011110000000
322021220111000200010122
41100302131332132000
52410123443033033
6103503421115412
76160435245626
oct1206235763600
9267814020118
1086746064768
113387498a420
121498b0b8b68
13824594b10c
1442acab3516
1523ca877a98
hex143277e780

86746064768 has 32 divisors (see below), whose sum is σ = 188524831320. Its totient is φ = 39430028800.

The previous prime is 86746064767. The next prime is 86746064803.

86746064768 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 86746064768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86746064767) 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, 30803303 + ... + 30806118.

Almost surely, 286746064768 is an apocalyptic number.

86746064768 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

86746064768 is an abundant number, since it is smaller than the sum of its proper divisors (101778766552).

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

86746064768 is a wasteful number, since it uses less digits than its factorization.

86746064768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61609446 (or 61609434 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 86746064768 in words is "eighty-six billion, seven hundred forty-six million, sixty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 61609421 123218842 246437684 492875368 677703631 985750736 1355407262 1971501472 2710814524 3943002944 5421629048 7886005888 10843258096 21686516192 43373032384 86746064768