Base | Representation |
---|---|
bin | 100100111100110001… |
… | …0001100101110011001 |
3 | 21120210221001100120011 |
4 | 1021321202030232121 |
5 | 2300001143410411 |
6 | 100241400001521 |
7 | 5506220302642 |
oct | 1117142145631 |
9 | 246727040504 |
10 | 79348419481 |
11 | 30719128a91 |
12 | 134657602a1 |
13 | 7637149606 |
14 | 3baa4066c9 |
15 | 20e61b2c21 |
hex | 127988cb99 |
79348419481 has 2 divisors, whose sum is σ = 79348419482. Its totient is φ = 79348419480.
The previous prime is 79348419473. The next prime is 79348419487. The reversal of 79348419481 is 18491484397.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 53183739456 + 26164680025 = 230616^2 + 161755^2 .
It is a cyclic number.
It is not a de Polignac number, because 79348419481 - 23 = 79348419473 is a prime.
It is a super-2 number, since 2×793484194812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (79348419487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39674209740 + 39674209741.
It is an arithmetic number, because the mean of its divisors is an integer number (39674209741).
Almost surely, 279348419481 is an apocalyptic number.
It is an amenable number.
79348419481 is a deficient number, since it is larger than the sum of its proper divisors (1).
79348419481 is an equidigital number, since it uses as much as digits as its factorization.
79348419481 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6967296, while the sum is 58.
The spelling of 79348419481 in words is "seventy-nine billion, three hundred forty-eight million, four hundred nineteen thousand, four hundred eighty-one".
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