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11689817760690 = 235541637194221
BaseRepresentation
bin1010101000011011111101…
…1011110110001110110010
31112101112110111110201120220
42222012333123312032302
53013011221321320230
640510121140113510
72314363403332056
oct252067733661662
945345414421526
1011689817760690
1137a76954114a3
121389694395896
1366a4641c7604
142c5b0c439c66
1515412b8a6d10
hexaa1bf6f63b2

11689817760690 has 32 divisors (see below), whose sum is σ = 28056084509376. Its totient is φ = 3117226749120.

The previous prime is 11689817760679. The next prime is 11689817760697. The reversal of 11689817760690 is 9606771898611.

It is a super-2 number, since 2×116898177606902 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11689817760697) 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, 1972221 + ... + 5222000.

It is an arithmetic number, because the mean of its divisors is an integer number (876752640918).

Almost surely, 211689817760690 is an apocalyptic number.

11689817760690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11689817760690 is an abundant number, since it is smaller than the sum of its proper divisors (16366266748686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11689817760690 is a wasteful number, since it uses less digits than its factorization.

11689817760690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248394.

The product of its (nonzero) digits is 54867456, while the sum is 69.

The spelling of 11689817760690 in words is "eleven trillion, six hundred eighty-nine billion, eight hundred seventeen million, seven hundred sixty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 54163 108326 162489 270815 324978 541630 812445 1624890 7194221 14388442 21582663 35971105 43165326 71942210 107913315 215826630 389660592023 779321184046 1168981776069 1948302960115 2337963552138 3896605920230 5844908880345 11689817760690