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206230642331055 = 35217936591724417
BaseRepresentation
bin101110111001000011010000…
…001011011000110110101111
31000001012110100001101222220020
4232321003100023120312233
5204012340323414043210
62010341014342053223
761303446366305106
oct5671032013306657
91001173301358806
10206230642331055
115a790a191a0841
121b168a68a1a213
138b0c60a100384
1438cd88b38503d
1518c97eb6a5770
hexbb90d02d8daf

206230642331055 has 32 divisors (see below), whose sum is σ = 330210872121600. Its totient is φ = 109909088796672.

The previous prime is 206230642330991. The next prime is 206230642331069. The reversal of 206230642331055 is 550133246032602.

It is not a de Polignac number, because 206230642331055 - 26 = 206230642330991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206230642330998 and 206230642331016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118732207 + ... + 120456623.

It is an arithmetic number, because the mean of its divisors is an integer number (10319089753800).

Almost surely, 2206230642331055 is an apocalyptic number.

206230642331055 is a deficient number, since it is larger than the sum of its proper divisors (123980229790545).

206230642331055 is a wasteful number, since it uses less digits than its factorization.

206230642331055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730263.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 206230642331055 its reverse (550133246032602), we get a palindrome (756363888363657).

The spelling of 206230642331055 in words is "two hundred six trillion, two hundred thirty billion, six hundred forty-two million, three hundred thirty-one thousand, fifty-five".

Divisors: 1 3 5 15 2179 3659 6537 10895 10977 18295 32685 54885 1724417 5173251 7972961 8622085 23918883 25866255 39864805 119594415 3757504643 6309641803 11272513929 18787523215 18928925409 31548209015 56362569645 94644627045 13748709488737 41246128466211 68743547443685 206230642331055