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106827981689 = 111341891012027
BaseRepresentation
bin110001101111101110…
…0011010001101111001
3101012202000200202021102
41203133130122031321
53222240430403224
6121024234221145
710501203601442
oct1433734321571
9335660622242
10106827981689
114133a679880
12188545847b5
13a0c62a77b0
145255c002c9
152ba38c54ae
hex18df71a379

106827981689 has 64 divisors (see below), whose sum is σ = 131361834240. Its totient is φ = 85578240000.

The previous prime is 106827981679. The next prime is 106827981719. The reversal of 106827981689 is 986189728601.

It is not a de Polignac number, because 106827981689 - 220 = 106826933113 is a prime.

It is a super-2 number, since 2×1068279816892 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106827981679) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52701494 + ... + 52703520.

It is an arithmetic number, because the mean of its divisors is an integer number (2052528660).

Almost surely, 2106827981689 is an apocalyptic number.

It is an amenable number.

106827981689 is a deficient number, since it is larger than the sum of its proper divisors (24533852551).

106827981689 is a wasteful number, since it uses less digits than its factorization.

106827981689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282.

The product of its (nonzero) digits is 20901888, while the sum is 65.

The spelling of 106827981689 in words is "one hundred six billion, eight hundred twenty-seven million, nine hundred eighty-one thousand, six hundred eighty-nine".

Divisors: 1 11 13 41 89 101 143 451 533 979 1111 1157 1313 2027 3649 4141 5863 8989 12727 14443 22297 26351 40139 45551 47437 53833 83107 98879 116857 180403 204727 289861 368549 521807 592163 914177 1080391 1285427 1984433 2251997 2345239 2661451 4054039 4791137 7396523 8393807 11884301 18220703 25797629 29275961 52702507 81361753 92331877 96154799 109119491 200427733 236869139 747048823 1057702789 1200314401 2605560529 8217537053 9711634699 106827981689