Base | Representation |
---|---|
bin | 11111010100010100011110… |
… | …10111011011100010000011 |
3 | 100000211201010010021020021021 |
4 | 33222022033113123202003 |
5 | 33011312440143024120 |
6 | 402245252001210311 |
7 | 20335354014103351 |
oct | 1752121727334203 |
9 | 300751103236237 |
10 | 68867910908035 |
11 | 1aa41798363418 |
12 | 7883090030997 |
13 | 2c572a6ac7765 |
14 | 13013207067d1 |
15 | 7e662bd0aaaa |
hex | 3ea28f5db883 |
68867910908035 has 4 divisors (see below), whose sum is σ = 82641493089648. Its totient is φ = 55094328726424.
The previous prime is 68867910907997. The next prime is 68867910908039. The reversal of 68867910908035 is 53080901976886.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68867910908035 - 27 = 68867910907907 is a prime.
It is a super-2 number, since 2×688679109080352 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68867910908039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6886791090799 + ... + 6886791090808.
It is an arithmetic number, because the mean of its divisors is an integer number (20660373272412).
Almost surely, 268867910908035 is an apocalyptic number.
68867910908035 is a deficient number, since it is larger than the sum of its proper divisors (13773582181613).
68867910908035 is a wasteful number, since it uses less digits than its factorization.
68867910908035 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13773582181612.
The product of its (nonzero) digits is 156764160, while the sum is 70.
The spelling of 68867910908035 in words is "sixty-eight trillion, eight hundred sixty-seven billion, nine hundred ten million, nine hundred eight thousand, thirty-five".
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