Base | Representation |
---|---|
bin | 1000110010100010100… |
… | …01010101100110010011 |
3 | 1001212112200101002101020 |
4 | 10121101101111212103 |
5 | 14422004332211011 |
6 | 350424140210523 |
7 | 30551055633621 |
oct | 4312121254623 |
9 | 1055480332336 |
10 | 302011210131 |
11 | 10709a500234 |
12 | 4a646b39a43 |
13 | 226306cc587 |
14 | 108902b8511 |
15 | 7cc9038006 |
hex | 4651455993 |
302011210131 has 16 divisors (see below), whose sum is σ = 437548784640. Its totient is φ = 184590891360.
The previous prime is 302011210099. The next prime is 302011210147. The reversal of 302011210131 is 131012110203.
It is a happy number.
It is not a de Polignac number, because 302011210131 - 25 = 302011210099 is a prime.
It is a super-2 number, since 2×3020112101312 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 302011210131.
It is not an unprimeable number, because it can be changed into a prime (302011210181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85456980 + ... + 85460513.
It is an arithmetic number, because the mean of its divisors is an integer number (27346799040).
Almost surely, 2302011210131 is an apocalyptic number.
302011210131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
302011210131 is a deficient number, since it is larger than the sum of its proper divisors (135537574509).
302011210131 is a wasteful number, since it uses less digits than its factorization.
302011210131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170917546.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 302011210131 its reverse (131012110203), we get a palindrome (433023320334).
The spelling of 302011210131 in words is "three hundred two billion, eleven million, two hundred ten thousand, one hundred thirty-one".
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