Base | Representation |
---|---|
bin | 11100001000001111… |
… | …110011010100001111 |
3 | 2212221220112000221002 |
4 | 130020033303110033 |
5 | 443324000144101 |
6 | 21513005530515 |
7 | 2116314243644 |
oct | 341017632417 |
9 | 85856460832 |
10 | 30203131151 |
11 | 11899975516 |
12 | 5a2ab73a3b |
13 | 2b044a764b |
14 | 1667403dcb |
15 | bbb8a0d6b |
hex | 7083f350f |
30203131151 has 2 divisors, whose sum is σ = 30203131152. Its totient is φ = 30203131150.
The previous prime is 30203131093. The next prime is 30203131159. The reversal of 30203131151 is 15113130203.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30203131151 - 234 = 13023261967 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30203131159) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101565575 + 15101565576.
It is an arithmetic number, because the mean of its divisors is an integer number (15101565576).
Almost surely, 230203131151 is an apocalyptic number.
30203131151 is a deficient number, since it is larger than the sum of its proper divisors (1).
30203131151 is an equidigital number, since it uses as much as digits as its factorization.
30203131151 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 270, while the sum is 20.
Adding to 30203131151 its reverse (15113130203), we get a palindrome (45316261354).
The spelling of 30203131151 in words is "thirty billion, two hundred three million, one hundred thirty-one thousand, one hundred fifty-one".
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