Base | Representation |
---|---|
bin | 11100101110101100… |
… | …111001010010111111 |
3 | 2221121212111121021111 |
4 | 130232230321102333 |
5 | 1001134130321111 |
6 | 22101013542451 |
7 | 2141310104314 |
oct | 345654712277 |
9 | 87555447244 |
10 | 30848292031 |
11 | 120a0069427 |
12 | 5b8b044a27 |
13 | 2ba8055b4b |
14 | 16c8d84d0b |
15 | c0833ea21 |
hex | 72eb394bf |
30848292031 has 2 divisors, whose sum is σ = 30848292032. Its totient is φ = 30848292030.
The previous prime is 30848292017. The next prime is 30848292053. The reversal of 30848292031 is 13029284803.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30848292031 - 213 = 30848283839 is a prime.
It is a super-2 number, since 2×308482920312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30848202031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15424146015 + 15424146016.
It is an arithmetic number, because the mean of its divisors is an integer number (15424146016).
Almost surely, 230848292031 is an apocalyptic number.
30848292031 is a deficient number, since it is larger than the sum of its proper divisors (1).
30848292031 is an equidigital number, since it uses as much as digits as its factorization.
30848292031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 82944, while the sum is 40.
The spelling of 30848292031 in words is "thirty billion, eight hundred forty-eight million, two hundred ninety-two thousand, thirty-one".
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