Base | Representation |
---|---|
bin | 1000010101110… |
… | …10001100001101 |
3 | 11212122202221121 |
4 | 10022322030031 |
5 | 120402444103 |
6 | 10535400541 |
7 | 1506503146 |
oct | 412721415 |
9 | 155582847 |
10 | 69968653 |
11 | 3654a537 |
12 | 1b523151 |
13 | 1165a491 |
14 | 9414acd |
15 | 62216bd |
hex | 42ba30d |
69968653 has 2 divisors, whose sum is σ = 69968654. Its totient is φ = 69968652.
The previous prime is 69968629. The next prime is 69968681. The reversal of 69968653 is 35686996.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 50722884 + 19245769 = 7122^2 + 4387^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69968653 is a prime.
It is a super-2 number, since 2×699686532 = 9791224805268818, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 69968653.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (69968603) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34984326 + 34984327.
It is an arithmetic number, because the mean of its divisors is an integer number (34984327).
Almost surely, 269968653 is an apocalyptic number.
It is an amenable number.
69968653 is a deficient number, since it is larger than the sum of its proper divisors (1).
69968653 is an equidigital number, since it uses as much as digits as its factorization.
69968653 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2099520, while the sum is 52.
The square root of 69968653 is about 8364.7267140057. The cubic root of 69968653 is about 412.0670017811.
The spelling of 69968653 in words is "sixty-nine million, nine hundred sixty-eight thousand, six hundred fifty-three".
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