Base | Representation |
---|---|
bin | 1000001011011… |
… | …10101111001111 |
3 | 11210002210122000 |
4 | 10011232233033 |
5 | 120031023043 |
6 | 10450323343 |
7 | 1462120065 |
oct | 405565717 |
9 | 153083560 |
10 | 68611023 |
11 | 35802528 |
12 | 1ab89553 |
13 | 112a3550 |
14 | 9180035 |
15 | 60542d3 |
hex | 416ebcf |
68611023 has 32 divisors (see below), whose sum is σ = 111820800. Its totient is φ = 41313888.
The previous prime is 68611019. The next prime is 68611043. The reversal of 68611023 is 32011686.
It is not a de Polignac number, because 68611023 - 22 = 68611019 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68611043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14418 + ... + 18576.
It is an arithmetic number, because the mean of its divisors is an integer number (3494400).
Almost surely, 268611023 is an apocalyptic number.
68611023 is a deficient number, since it is larger than the sum of its proper divisors (43209777).
68611023 is a wasteful number, since it uses less digits than its factorization.
68611023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4228 (or 4222 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 68611023 is about 8283.1771078494. The cubic root of 68611023 is about 409.3844083303.
The spelling of 68611023 in words is "sixty-eight million, six hundred eleven thousand, twenty-three".
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