Base | Representation |
---|---|
bin | 1101111111100100110110… |
… | …10111000110000110001001 |
3 | 11000221202021022200011120101 |
4 | 12333302123113012012021 |
5 | 13013131022032400210 |
6 | 145240203043525401 |
7 | 6324120464204401 |
oct | 677623327060611 |
9 | 130852238604511 |
10 | 30771752231305 |
11 | 9894254a0a068 |
12 | 354b931689861 |
13 | 14229c1059c97 |
14 | 785509ca7801 |
15 | 38569d211a3a |
hex | 1bfc9b5c6189 |
30771752231305 has 4 divisors (see below), whose sum is σ = 36926102677572. Its totient is φ = 24617401785040.
The previous prime is 30771752231299. The next prime is 30771752231323. The reversal of 30771752231305 is 50313225717703.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8900753128569 + 21870999102736 = 2983413^2 + 4676644^2 .
It is not a de Polignac number, because 30771752231305 - 219 = 30771751707017 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077175223126 + ... + 3077175223135.
It is an arithmetic number, because the mean of its divisors is an integer number (9231525669393).
Almost surely, 230771752231305 is an apocalyptic number.
It is an amenable number.
30771752231305 is a deficient number, since it is larger than the sum of its proper divisors (6154350446267).
30771752231305 is an equidigital number, since it uses as much as digits as its factorization.
30771752231305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6154350446266.
The product of its (nonzero) digits is 926100, while the sum is 46.
The spelling of 30771752231305 in words is "thirty trillion, seven hundred seventy-one billion, seven hundred fifty-two million, two hundred thirty-one thousand, three hundred five".
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