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687340095911 = 73311879157877
BaseRepresentation
bin10100000000010001010…
…10011000100110100111
32102201010220122122011022
422000020222120212213
542230133031032121
61243432031401355
7100441633263110
oct12001052304647
92381126578138
10687340095911
11245554624347
12b126498325b
134ca7b694431
14253a5bc9207
1512d2c934aab
hexa008a989a7

687340095911 has 16 divisors (see below), whose sum is σ = 788329059840. Its totient is φ = 587052433440.

The previous prime is 687340095887. The next prime is 687340095947. The reversal of 687340095911 is 119590043786.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-687340095911 is a prime.

It is a super-3 number, since 3×6873400959113 (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687340098911) 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, 4274705 + ... + 4432581.

It is an arithmetic number, because the mean of its divisors is an integer number (49270566240).

Almost surely, 2687340095911 is an apocalyptic number.

687340095911 is a deficient number, since it is larger than the sum of its proper divisors (100988963929).

687340095911 is a wasteful number, since it uses less digits than its factorization.

687340095911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160094.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 687340095911 in words is "six hundred eighty-seven billion, three hundred forty million, ninety-five thousand, nine hundred eleven".

Divisors: 1 7 331 1879 2317 13153 157877 621949 1105139 4353643 52257287 296650883 365801009 2076556181 98191442273 687340095911