Base | Representation |
---|---|
bin | 10101110011000011111… |
… | …10011011110000001101 |
3 | 2122121012212112220010021 |
4 | 22321201332123300031 |
5 | 44232341311103221 |
6 | 1332023212542141 |
7 | 105053061343345 |
oct | 12714176336015 |
9 | 2577185486107 |
10 | 748968066061 |
11 | 2696a9a47486 |
12 | 1011a3a81951 |
13 | 5582049b467 |
14 | 28370973d25 |
15 | 1473805e041 |
hex | ae61f9bc0d |
748968066061 has 2 divisors, whose sum is σ = 748968066062. Its totient is φ = 748968066060.
The previous prime is 748968065971. The next prime is 748968066089. The reversal of 748968066061 is 160660869847.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 698979602500 + 49988463561 = 836050^2 + 223581^2 .
It is an emirp because it is prime and its reverse (160660869847) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 748968066061 - 27 = 748968065933 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (748968066961) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374484033030 + 374484033031.
It is an arithmetic number, because the mean of its divisors is an integer number (374484033031).
Almost surely, 2748968066061 is an apocalyptic number.
It is an amenable number.
748968066061 is a deficient number, since it is larger than the sum of its proper divisors (1).
748968066061 is an equidigital number, since it uses as much as digits as its factorization.
748968066061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20901888, while the sum is 61.
The spelling of 748968066061 in words is "seven hundred forty-eight billion, nine hundred sixty-eight million, sixty-six thousand, sixty-one".
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