Base | Representation |
---|---|
bin | 1110100111110… |
… | …0101000100111 |
3 | 11021101210002010 |
4 | 3221330220213 |
5 | 111144443121 |
6 | 10030245303 |
7 | 1343164401 |
oct | 351745047 |
9 | 137353063 |
10 | 61327911 |
11 | 31688627 |
12 | 18656833 |
13 | c923508 |
14 | 8205b71 |
15 | 55b6376 |
hex | 3a7ca27 |
61327911 has 12 divisors (see below), whose sum is σ = 82375352. Its totient is φ = 40585008.
The previous prime is 61327901. The next prime is 61327921. The reversal of 61327911 is 11972316.
It is an interprime number because it is at equal distance from previous prime (61327901) and next prime (61327921).
It is not a de Polignac number, because 61327911 - 222 = 57133607 is a prime.
It is a super-2 number, since 2×613279112 = 7522225335247842, which contains 22 as substring.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61327901) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83301 + ... + 84033.
Almost surely, 261327911 is an apocalyptic number.
61327911 is a deficient number, since it is larger than the sum of its proper divisors (21047441).
61327911 is an equidigital number, since it uses as much as digits as its factorization.
61327911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1070 (or 903 counting only the distinct ones).
The product of its digits is 2268, while the sum is 30.
The square root of 61327911 is about 7831.2138905792. The cubic root of 61327911 is about 394.3538246689.
The spelling of 61327911 in words is "sixty-one million, three hundred twenty-seven thousand, nine hundred eleven".
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