Base | Representation |
---|---|
bin | 1000001110011… |
… | …01100101100111 |
3 | 11210211112120001 |
4 | 10013031211213 |
5 | 120130441102 |
6 | 10502522131 |
7 | 1465325542 |
oct | 407154547 |
9 | 153745501 |
10 | 68999527 |
11 | 35a48403 |
12 | 1b136347 |
13 | 113ab32c |
14 | 9241859 |
15 | 60ce487 |
hex | 41cd967 |
68999527 has 8 divisors (see below), whose sum is σ = 70146080. Its totient is φ = 67858560.
The previous prime is 68999519. The next prime is 68999537. The reversal of 68999527 is 72599986.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68999527 - 23 = 68999519 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68999537) 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, 28702 + ... + 31012.
It is an arithmetic number, because the mean of its divisors is an integer number (8768260).
Almost surely, 268999527 is an apocalyptic number.
68999527 is a deficient number, since it is larger than the sum of its proper divisors (1146553).
68999527 is a wasteful number, since it uses less digits than its factorization.
68999527 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2793.
The product of its digits is 2449440, while the sum is 55.
The square root of 68999527 is about 8306.5953916150. The cubic root of 68999527 is about 410.1556557504.
The spelling of 68999527 in words is "sixty-eight million, nine hundred ninety-nine thousand, five hundred twenty-seven".
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