Base | Representation |
---|---|
bin | 10010101001100001… |
… | …10100110101101111 |
3 | 221211202101022120111 |
4 | 21110300310311233 |
5 | 131001034120304 |
6 | 4333252200451 |
7 | 503051523625 |
oct | 112460646557 |
9 | 27752338514 |
10 | 10012020079 |
11 | 4278584966 |
12 | 1b35009127 |
13 | c37338649 |
14 | 6ad9b1515 |
15 | 3d8e84704 |
hex | 254c34d6f |
10012020079 has 2 divisors, whose sum is σ = 10012020080. Its totient is φ = 10012020078.
The previous prime is 10012020077. The next prime is 10012020101. The reversal of 10012020079 is 97002021001.
It is an a-pointer prime, because the next prime (10012020101) can be obtained adding 10012020079 to its sum of digits (22).
It is a weak prime.
It is an emirp because it is prime and its reverse (97002021001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10012020079 - 21 = 10012020077 is a prime.
Together with 10012020077, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10012020077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006010039 + 5006010040.
It is an arithmetic number, because the mean of its divisors is an integer number (5006010040).
Almost surely, 210012020079 is an apocalyptic number.
10012020079 is a deficient number, since it is larger than the sum of its proper divisors (1).
10012020079 is an equidigital number, since it uses as much as digits as its factorization.
10012020079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252, while the sum is 22.
The spelling of 10012020079 in words is "ten billion, twelve million, twenty thousand, seventy-nine".
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