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136640064211 = 7223121242293
BaseRepresentation
bin111111101000001100…
…0011110101011010011
3111001200200101110022221
41333100120132223103
54214314324023321
6142434354441511
712605032245100
oct1772030365323
9431620343287
10136640064211
1152a48832702
1222594593297
13cb67756001
1468832cdaa7
15384ac7ee41
hex1fd061ead3

136640064211 has 12 divisors (see below), whose sum is σ = 165859458192. Its totient is φ = 112027877808.

The previous prime is 136640064109. The next prime is 136640064241. The reversal of 136640064211 is 112460046631.

It is not a de Polignac number, because 136640064211 - 215 = 136640031443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136640064241) 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, 60620020 + ... + 60622273.

It is an arithmetic number, because the mean of its divisors is an integer number (13821621516).

Almost surely, 2136640064211 is an apocalyptic number.

136640064211 is a deficient number, since it is larger than the sum of its proper divisors (29219393981).

136640064211 is a wasteful number, since it uses less digits than its factorization.

136640064211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121242330 (or 121242323 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 136640064211 in words is "one hundred thirty-six billion, six hundred forty million, sixty-four thousand, two hundred eleven".

Divisors: 1 7 23 49 161 1127 121242293 848696051 2788572739 5940872357 19520009173 136640064211