Base | Representation |
---|---|
bin | 11100101101111100… |
… | …011000010010011001 |
3 | 2221120222120110022002 |
4 | 130231330120102121 |
5 | 1001122401331123 |
6 | 22055441210345 |
7 | 2141064024254 |
oct | 345574302231 |
9 | 87528513262 |
10 | 30835573913 |
11 | 12093972091 |
12 | 5b869309b5 |
13 | 2ba5522031 |
14 | 16c73d409b |
15 | c0717b528 |
hex | 72df18499 |
30835573913 has 8 divisors (see below), whose sum is σ = 32683708008. Its totient is φ = 28991248384.
The previous prime is 30835573843. The next prime is 30835573933. The reversal of 30835573913 is 31937553803.
It can be written as a sum of positive squares in 4 ways, for example, as 395095129 + 30440478784 = 19877^2 + 174472^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30835573913 - 218 = 30835311769 is a prime.
It is a super-2 number, since 2×308355739132 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30835573933) 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, 935456 + ... + 967857.
It is an arithmetic number, because the mean of its divisors is an integer number (4085463501).
Almost surely, 230835573913 is an apocalyptic number.
It is an amenable number.
30835573913 is a deficient number, since it is larger than the sum of its proper divisors (1848134095).
30835573913 is a wasteful number, since it uses less digits than its factorization.
30835573913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1904283.
The product of its (nonzero) digits is 1020600, while the sum is 47.
The spelling of 30835573913 in words is "thirty billion, eight hundred thirty-five million, five hundred seventy-three thousand, nine hundred thirteen".
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