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2086146917 = 79892691103
BaseRepresentation
bin111110001011000…
…0001001101100101
312101101110020120122
41330112001031211
513233023200132
6543001211325
7102460645661
oct17426011545
95341406518
102086146917
11980637068
124a2790b45
1327327a57a
1415b0c18a1
15c322c912
hex7c581365

2086146917 has 16 divisors (see below), whose sum is σ = 2146176000. Its totient is φ = 2027186304.

The previous prime is 2086146911. The next prime is 2086146947. The reversal of 2086146917 is 7196416802.

It is a cyclic number.

It is not a de Polignac number, because 2086146917 - 220 = 2085098341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086146911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890788 + ... + 1891890.

It is an arithmetic number, because the mean of its divisors is an integer number (134136000).

Almost surely, 22086146917 is an apocalyptic number.

It is an amenable number.

2086146917 is a deficient number, since it is larger than the sum of its proper divisors (60029083).

2086146917 is a wasteful number, since it uses less digits than its factorization.

2086146917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 2086146917 is about 45674.3573244331. The cubic root of 2086146917 is about 1277.7570822085.

The spelling of 2086146917 in words is "two billion, eighty-six million, one hundred forty-six thousand, nine hundred seventeen".

Divisors: 1 79 89 269 1103 7031 21251 23941 87137 98167 296707 1891339 7755193 23439853 26406923 2086146917