Base | Representation |
---|---|
bin | 11100000011111100… |
… | …101110010100110110 |
3 | 2212202212211110112211 |
4 | 130003330232110312 |
5 | 443202020133420 |
6 | 21501512204034 |
7 | 2114450311411 |
oct | 340374562466 |
9 | 85685743484 |
10 | 30131021110 |
11 | 118621a3143 |
12 | 5a0a99961a |
13 | 2ac257a598 |
14 | 165b9d2b78 |
15 | bb53a9e5a |
hex | 703f2e536 |
30131021110 has 16 divisors (see below), whose sum is σ = 54328243536. Its totient is φ = 12031873888.
The previous prime is 30131021099. The next prime is 30131021143. The reversal of 30131021110 is 1112013103.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2560657 + ... + 2572396.
It is an arithmetic number, because the mean of its divisors is an integer number (3395515221).
Almost surely, 230131021110 is an apocalyptic number.
30131021110 is a deficient number, since it is larger than the sum of its proper divisors (24197222426).
30131021110 is a wasteful number, since it uses less digits than its factorization.
30131021110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5133647.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 30131021110 its reverse (1112013103), we get a palindrome (31243034213).
The spelling of 30131021110 in words is "thirty billion, one hundred thirty-one million, twenty-one thousand, one hundred ten".
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