Base | Representation |
---|---|
bin | 1101110010001111010100… |
… | …00100100111110011111101 |
3 | 10222022221110201111100001120 |
4 | 12321013222010213303331 |
5 | 12433124032342204221 |
6 | 144245500154101153 |
7 | 6246036032356131 |
oct | 671075204476375 |
9 | 128287421440046 |
10 | 30313511288061 |
11 | 972798493a021 |
12 | 3496b6571a7b9 |
13 | 13bb723547861 |
14 | 76b278b0b3c1 |
15 | 3787cd7325c6 |
hex | 1b91ea127cfd |
30313511288061 has 32 divisors (see below), whose sum is σ = 41580600421248. Its totient is φ = 19635837450240.
The previous prime is 30313511287987. The next prime is 30313511288069. The reversal of 30313511288061 is 16088211531303.
It is not a de Polignac number, because 30313511288061 - 27 = 30313511287933 is a prime.
It is a super-2 number, since 2×303135112880612 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30313511288069) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129551605 + ... + 129785381.
It is an arithmetic number, because the mean of its divisors is an integer number (1299393763164).
Almost surely, 230313511288061 is an apocalyptic number.
It is an amenable number.
30313511288061 is a deficient number, since it is larger than the sum of its proper divisors (11267089133187).
30313511288061 is a wasteful number, since it uses less digits than its factorization.
30313511288061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242461.
The product of its (nonzero) digits is 103680, while the sum is 42.
The spelling of 30313511288061 in words is "thirty trillion, three hundred thirteen billion, five hundred eleven million, two hundred eighty-eight thousand, sixty-one".
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