Base | Representation |
---|---|
bin | 100100111101000001… |
… | …1011110011110010001 |
3 | 21120211112110112212211 |
4 | 1021322003132132101 |
5 | 2300010412033204 |
6 | 100242310552121 |
7 | 5506354404511 |
oct | 1117203363621 |
9 | 246745415784 |
10 | 79357142929 |
11 | 30723047049 |
12 | 13468668641 |
13 | 7638bb210c |
14 | 3bab637841 |
15 | 20e6d37804 |
hex | 127a0de791 |
79357142929 has 2 divisors, whose sum is σ = 79357142930. Its totient is φ = 79357142928.
The previous prime is 79357142873. The next prime is 79357142959. The reversal of 79357142929 is 92924175397.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 51973512529 + 27383630400 = 227977^2 + 165480^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-79357142929 is a prime.
It is a super-2 number, since 2×793571429292 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (79357142959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39678571464 + 39678571465.
It is an arithmetic number, because the mean of its divisors is an integer number (39678571465).
Almost surely, 279357142929 is an apocalyptic number.
It is an amenable number.
79357142929 is a deficient number, since it is larger than the sum of its proper divisors (1).
79357142929 is an equidigital number, since it uses as much as digits as its factorization.
79357142929 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8573040, while the sum is 58.
The spelling of 79357142929 in words is "seventy-nine billion, three hundred fifty-seven million, one hundred forty-two thousand, nine hundred twenty-nine".
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