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8022139517 = 72163717133
BaseRepresentation
bin1110111100010100…
…00010001001111101
3202201002001220121102
413132022002021331
5112412131431032
63404010142445
7402540026600
oct73612021175
922632056542
108022139517
11344731a177
12167a721a25
139aacc5322
145615cc337
1531e420362
hex1de28227d

8022139517 has 6 divisors (see below), whose sum is σ = 9331876638. Its totient is φ = 6876119544.

The previous prime is 8022139507. The next prime is 8022139523. The reversal of 8022139517 is 7159312208.

It can be written as a sum of positive squares in only one way, i.e., 8011861081 + 10278436 = 89509^2 + 3206^2 .

It is not a de Polignac number, because 8022139517 - 26 = 8022139453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8022139507) 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 5 ways as a sum of consecutive naturals, for example, 81858518 + ... + 81858615.

It is an arithmetic number, because the mean of its divisors is an integer number (1555312773).

Almost surely, 28022139517 is an apocalyptic number.

It is an amenable number.

8022139517 is a deficient number, since it is larger than the sum of its proper divisors (1309737121).

8022139517 is a wasteful number, since it uses less digits than its factorization.

8022139517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163717147 (or 163717140 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 8022139517 is about 89566.3972536576. The cubic root of 8022139517 is about 2001.8432604236.

The spelling of 8022139517 in words is "eight billion, twenty-two million, one hundred thirty-nine thousand, five hundred seventeen".

Divisors: 1 7 49 163717133 1146019931 8022139517