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106605857390 = 2564116631179
BaseRepresentation
bin110001101001000110…
…1000100101001101110
3101012011112201200000112
41203102031010221232
53221312044414030
6120550221300022
710462535556644
oct1432215045156
9335145650015
10106605857390
114123625557a
12187b2104612
13a08c2751b6
1452344dd194
152b8e14aa95
hex18d2344a6e

106605857390 has 16 divisors (see below), whose sum is σ = 192189916080. Its totient is φ = 42575815680.

The previous prime is 106605857359. The next prime is 106605857453. The reversal of 106605857390 is 93758506601.

It is a happy number.

It is a super-2 number, since 2×1066058573902 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8309180 + ... + 8321999.

It is an arithmetic number, because the mean of its divisors is an integer number (12011869755).

Almost surely, 2106605857390 is an apocalyptic number.

106605857390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106605857390 is a deficient number, since it is larger than the sum of its proper divisors (85584058690).

106605857390 is a wasteful number, since it uses less digits than its factorization.

106605857390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16631827.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 106605857390 in words is "one hundred six billion, six hundred five million, eight hundred fifty-seven thousand, three hundred ninety".

Divisors: 1 2 5 10 641 1282 3205 6410 16631179 33262358 83155895 166311790 10660585739 21321171478 53302928695 106605857390