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8690049511 = 1121317378783
BaseRepresentation
bin10000001011111011…
…11010000111100111
3211102121212020212121
420011331322013213
5120244123041021
63554145530411
7425230126213
oct100575720747
924377766777
108690049511
11375a340900
121826343a07
13a864aa340
145c61b1943
1535cda4741
hex205f7a1e7

8690049511 has 48 divisors (see below), whose sum is σ = 11187372672. Its totient is φ = 6677130240.

The previous prime is 8690049457. The next prime is 8690049521. The reversal of 8690049511 is 1159400968.

It is not a de Polignac number, because 8690049511 - 27 = 8690049383 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 (8690049521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 985026 + ... + 993808.

It is an arithmetic number, because the mean of its divisors is an integer number (233070264).

Almost surely, 28690049511 is an apocalyptic number.

8690049511 is a deficient number, since it is larger than the sum of its proper divisors (2497323161).

8690049511 is a wasteful number, since it uses less digits than its factorization.

8690049511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8872 (or 8861 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 8690049511 is about 93220.4350504759. The cubic root of 8690049511 is about 2055.9257070632.

The spelling of 8690049511 in words is "eight billion, six hundred ninety million, forty-nine thousand, five hundred eleven".

Divisors: 1 11 13 17 37 121 143 187 221 407 481 629 1573 2057 2431 4477 5291 6919 8177 8783 26741 58201 76109 89947 96613 114179 149311 324971 989417 1062743 1255969 1642421 1941043 3574681 4224623 5524507 13815659 18066631 21351473 39321491 46470853 60769577 71818591 234866203 511179383 668465347 790004501 8690049511