Base | Representation |
---|---|
bin | 11100101001101110… |
… | …001000000010010111 |
3 | 2221102001021010121211 |
4 | 130221232020002113 |
5 | 1001001232302341 |
6 | 22044430522251 |
7 | 2136243606631 |
oct | 345156100227 |
9 | 87361233554 |
10 | 30764728471 |
11 | 12057983934 |
12 | 5b67066387 |
13 | 2b93948759 |
14 | 16bbc31a51 |
15 | c00d35181 |
hex | 729b88097 |
30764728471 has 8 divisors (see below), whose sum is σ = 32031731088. Its totient is φ = 29522328000.
The previous prime is 30764728429. The next prime is 30764728481. The reversal of 30764728471 is 17482746703.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30764728471 - 213 = 30764720279 is a prime.
It is a super-3 number, since 3×307647284713 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30764728481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6147985 + ... + 6152986.
It is an arithmetic number, because the mean of its divisors is an integer number (4003966386).
Almost surely, 230764728471 is an apocalyptic number.
30764728471 is a deficient number, since it is larger than the sum of its proper divisors (1267002617).
30764728471 is a wasteful number, since it uses less digits than its factorization.
30764728471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12301073.
The product of its (nonzero) digits is 1580544, while the sum is 49.
The spelling of 30764728471 in words is "thirty billion, seven hundred sixty-four million, seven hundred twenty-eight thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •