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36869643889 = 137139945443
BaseRepresentation
bin100010010101100110…
…100001111001110001
310112011111201222012021
4202111212201321301
51101002112101024
624534312231441
72443443542101
oct422546417161
9115144658167
1036869643889
11146aaa53181
12718b69b581
133627689440
141ada951201
15e5bc93de4
hex8959a1e71

36869643889 has 8 divisors (see below), whose sum is σ = 40265007552. Its totient is φ = 33554171280.

The previous prime is 36869643871. The next prime is 36869643901. The reversal of 36869643889 is 98834696863.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-36869643889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36869643859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19971799 + ... + 19973644.

It is an arithmetic number, because the mean of its divisors is an integer number (5033125944).

Almost surely, 236869643889 is an apocalyptic number.

It is an amenable number.

36869643889 is a deficient number, since it is larger than the sum of its proper divisors (3395363663).

36869643889 is a wasteful number, since it uses less digits than its factorization.

36869643889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945527.

The product of its digits is 322486272, while the sum is 70.

The spelling of 36869643889 in words is "thirty-six billion, eight hundred sixty-nine million, six hundred forty-three thousand, eight hundred eighty-nine".

Divisors: 1 13 71 923 39945443 519290759 2836126453 36869643889