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68000088000089 = 73198250985423
BaseRepresentation
bin11110111011000100000010…
…00101110000011001011001
322220202202010001100210021002
433131202001011300121121
532403103140012000324
6400342450440354345
720215562400101000
oct1735420105603131
9286682101323232
1068000088000089
111a737747a10093
127762a57a759b5
132bc34c47741bb
1412b1316961c37
157cdc895ec3ae
hex3dd881170659

68000088000089 has 8 divisors (see below), whose sum is σ = 79300394169600. Its totient is φ = 58285789714068.

The previous prime is 68000088000073. The next prime is 68000088000127. The reversal of 68000088000089 is 98000088000086.

It is not a de Polignac number, because 68000088000089 - 24 = 68000088000073 is a prime.

68000088000089 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68000088000049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99125492369 + ... + 99125493054.

It is an arithmetic number, because the mean of its divisors is an integer number (9912549271200).

Almost surely, 268000088000089 is an apocalyptic number.

It is an amenable number.

68000088000089 is a deficient number, since it is larger than the sum of its proper divisors (11300306169511).

68000088000089 is an equidigital number, since it uses as much as digits as its factorization.

68000088000089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198250985444 (or 198250985430 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 68000088000089 in words is "sixty-eight trillion, eighty-eight million, eighty-nine", and thus it is an aban number and an uban number.

Divisors: 1 7 49 343 198250985423 1387756897961 9714298285727 68000088000089