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86311882917 = 3213994974149
BaseRepresentation
bin101000001100010010…
…1101101000010100101
322020210020000221121100
41100120211231002211
52403231320223132
6103352351110313
76143613620421
oct1203045550245
9266706027540
1086311882917
1133671898147
1214889812399
1381a69cc290
14426b171b81
1523a26b137c
hex141896d0a5

86311882917 has 24 divisors (see below), whose sum is σ = 134278235000. Its totient is φ = 53108949888.

The previous prime is 86311882907. The next prime is 86311882919. The reversal of 86311882917 is 71928811368.

It can be written as a sum of positive squares in 4 ways, for example, as 3414532356 + 82897350561 = 58434^2 + 287919^2 .

It is not a de Polignac number, because 86311882917 - 214 = 86311866533 is a prime.

It is a super-2 number, since 2×863118829172 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86311882919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1126959 + ... + 1201107.

Almost surely, 286311882917 is an apocalyptic number.

It is an amenable number.

86311882917 is a deficient number, since it is larger than the sum of its proper divisors (47966352083).

86311882917 is a wasteful number, since it uses less digits than its factorization.

86311882917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84117 (or 84114 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The spelling of 86311882917 in words is "eighty-six billion, three hundred eleven million, eight hundred eighty-two thousand, nine hundred seventeen".

Divisors: 1 3 9 13 39 117 9949 29847 74149 89541 129337 222447 388011 667341 963937 1164033 2891811 8675433 737708401 2213125203 6639375609 9590209213 28770627639 86311882917