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85668688107 = 329518743123
BaseRepresentation
bin100111111001001000…
…0000111000011101011
322012010101202021012100
41033302100013003223
52400422141004412
6103204453144443
76121643556042
oct1176220070353
9265111667170
1085668688107
1133371817392
121472a32b123
13810368b932
144209983559
152365eaeedc
hex13f24070eb

85668688107 has 6 divisors (see below), whose sum is σ = 123743660612. Its totient is φ = 57112458732.

The previous prime is 85668688043. The next prime is 85668688121. The reversal of 85668688107 is 70188686658.

85668688107 is a `hidden beast` number, since 8 + 566 + 8 + 68 + 8 + 1 + 0 + 7 = 666.

It is not a de Polignac number, because 85668688107 - 26 = 85668688043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85668688177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4759371553 + ... + 4759371570.

Almost surely, 285668688107 is an apocalyptic number.

85668688107 is a deficient number, since it is larger than the sum of its proper divisors (38074972505).

85668688107 is a wasteful number, since it uses less digits than its factorization.

85668688107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518743129 (or 9518743126 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 85668688107 in words is "eighty-five billion, six hundred sixty-eight million, six hundred eighty-eight thousand, one hundred seven".

Divisors: 1 3 9 9518743123 28556229369 85668688107