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10205512130065 = 571717152121227
BaseRepresentation
bin1001010010000010011111…
…1011001101111000010001
31100010122012200120011021011
42110200213323031320101
52314201342101130230
633412203023130521
72102216050543330
oct224404773157021
940118180504234
1010205512130065
1132851515a410a
121189a91443a41
135904b6447605
14273d41303d17
1512a707280e2a
hex94827ecde11

10205512130065 has 16 divisors (see below), whose sum is σ = 14819432740992. Its totient is φ = 6586414550784.

The previous prime is 10205512130059. The next prime is 10205512130081. The reversal of 10205512130065 is 56003121550201.

It is a cyclic number.

It is not a de Polignac number, because 10205512130065 - 23 = 10205512130057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8576060019 + ... + 8576061208.

It is an arithmetic number, because the mean of its divisors is an integer number (926214546312).

Almost surely, 210205512130065 is an apocalyptic number.

It is an amenable number.

10205512130065 is a deficient number, since it is larger than the sum of its proper divisors (4613920610927).

10205512130065 is a wasteful number, since it uses less digits than its factorization.

10205512130065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17152121256.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 10205512130065 its reverse (56003121550201), we get a palindrome (66208633680266).

The spelling of 10205512130065 in words is "ten trillion, two hundred five billion, five hundred twelve million, one hundred thirty thousand, sixty-five".

Divisors: 1 5 7 17 35 85 119 595 17152121227 85760606135 120064848589 291586060859 600324242945 1457930304295 2041102426013 10205512130065