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164327854565953 = 1346127419965721
BaseRepresentation
bin100101010111010010001111…
…011001011110101001000001
3210112211120220201121100002001
4211113102033121132221001
5133014321421232102303
61341255101344224001
746420203266131531
oct4527221731365101
9715746821540061
10164327854565953
11483a606297a891
121651ba0a00b001
137090086378940
142c8172111d4c1
1513ee8280c631d
hex95748f65ea41

164327854565953 has 8 divisors (see below), whose sum is σ = 177352338289896. Its totient is φ = 151358210774400.

The previous prime is 164327854565951. The next prime is 164327854566061. The reversal of 164327854565953 is 359565458723461.

164327854565953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 109063081009 + 164218791484944 = 330247^2 + 12814788^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164327854565953 - 21 = 164327854565951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164327854565951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13709976868 + ... + 13709988853.

It is an arithmetic number, because the mean of its divisors is an integer number (22169042286237).

Almost surely, 2164327854565953 is an apocalyptic number.

164327854565953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

164327854565953 is a deficient number, since it is larger than the sum of its proper divisors (13024483723943).

164327854565953 is a wasteful number, since it uses less digits than its factorization.

164327854565953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27419966195.

The product of its digits is 3265920000, while the sum is 73.

The spelling of 164327854565953 in words is "one hundred sixty-four trillion, three hundred twenty-seven billion, eight hundred fifty-four million, five hundred sixty-five thousand, nine hundred fifty-three".

Divisors: 1 13 461 5993 27419965721 356459554373 12640604197381 164327854565953