Base | Representation |
---|---|
bin | 1000001110000… |
… | …01110000001111 |
3 | 11210202002001210 |
4 | 10013001300033 |
5 | 120122413210 |
6 | 10501505503 |
7 | 1465034325 |
oct | 407016017 |
9 | 153662053 |
10 | 68951055 |
11 | 35a14a48 |
12 | 1b112293 |
13 | 11392254 |
14 | 922bd15 |
15 | 60bee20 |
hex | 41c1c0f |
68951055 has 16 divisors (see below), whose sum is σ = 111834720. Its totient is φ = 36269568.
The previous prime is 68950993. The next prime is 68951063. The reversal of 68951055 is 55015986.
It is not a de Polignac number, because 68951055 - 28 = 68950799 is a prime.
It is a super-2 number, since 2×689510552 = 9508495971226050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30390 + ... + 32579.
It is an arithmetic number, because the mean of its divisors is an integer number (6989670).
Almost surely, 268951055 is an apocalyptic number.
68951055 is a deficient number, since it is larger than the sum of its proper divisors (42883665).
68951055 is a wasteful number, since it uses less digits than its factorization.
68951055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63050.
The product of its (nonzero) digits is 54000, while the sum is 39.
The square root of 68951055 is about 8303.6771974831. The cubic root of 68951055 is about 410.0595888009.
The spelling of 68951055 in words is "sixty-eight million, nine hundred fifty-one thousand, fifty-five".
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