Base | Representation |
---|---|
bin | 11011111111110101… |
… | …111101000010111011 |
3 | 2212121002012211001011 |
4 | 123333311331002323 |
5 | 443031401400111 |
6 | 21451011534351 |
7 | 2112652644556 |
oct | 337765750273 |
9 | 85532184034 |
10 | 30062137531 |
11 | 11827324968 |
12 | 59ab8ba3b7 |
13 | 2ab120cc7a |
14 | 16527c169d |
15 | bae300021 |
hex | 6ffd7d0bb |
30062137531 has 4 divisors (see below), whose sum is σ = 30253616272. Its totient is φ = 29870658792.
The previous prime is 30062137529. The next prime is 30062137541. The reversal of 30062137531 is 13573126003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30062137531 - 21 = 30062137529 is a prime.
It is a super-2 number, since 2×300621375312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30062137493 and 30062137502.
It is not an unprimeable number, because it can be changed into a prime (30062137541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95739135 + ... + 95739448.
It is an arithmetic number, because the mean of its divisors is an integer number (7563404068).
Almost surely, 230062137531 is an apocalyptic number.
30062137531 is a deficient number, since it is larger than the sum of its proper divisors (191478741).
30062137531 is a wasteful number, since it uses less digits than its factorization.
30062137531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191478740.
The product of its (nonzero) digits is 11340, while the sum is 31.
The spelling of 30062137531 in words is "thirty billion, sixty-two million, one hundred thirty-seven thousand, five hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •