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511616006161 = 13198324955661
BaseRepresentation
bin1110111000111101011…
…00001011100000010001
31210220120101202222001221
413130132230023200101
531340242144144121
61031011054325041
751651215204461
oct7343654134021
91726511688057
10511616006161
11187a7a996897
12831a31b9781
13393258865c0
141aa95c45ba1
15d495802b41
hex771eb0b811

511616006161 has 16 divisors (see below), whose sum is σ = 586957170240. Its totient is φ = 442014649920.

The previous prime is 511616006147. The next prime is 511616006177. The reversal of 511616006161 is 161600616115.

It is a cyclic number.

It is not a de Polignac number, because 511616006161 - 229 = 511079135249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511616006261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12457330 + ... + 12498331.

It is an arithmetic number, because the mean of its divisors is an integer number (36684823140).

Almost surely, 2511616006161 is an apocalyptic number.

It is an amenable number.

511616006161 is a deficient number, since it is larger than the sum of its proper divisors (75341164079).

511616006161 is a wasteful number, since it uses less digits than its factorization.

511616006161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24955776.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 511616006161 in words is "five hundred eleven billion, six hundred sixteen million, six thousand, one hundred sixty-one".

Divisors: 1 13 19 83 247 1079 1577 20501 24955661 324423593 474157559 2071319863 6164048267 26927158219 39355077397 511616006161