Base | Representation |
---|---|
bin | 11100110010111000… |
… | …011000101011101111 |
3 | 2221210202110010012212 |
4 | 130302320120223233 |
5 | 1001310103204124 |
6 | 22112000521035 |
7 | 2143121113613 |
oct | 346270305357 |
9 | 87722403185 |
10 | 30918413039 |
11 | 12126702378 |
12 | 5baa62017b |
13 | 2bb9737777 |
14 | 16d43d9343 |
15 | c0e59140e |
hex | 732e18aef |
30918413039 has 8 divisors (see below), whose sum is σ = 31148636880. Its totient is φ = 30688255296.
The previous prime is 30918413003. The next prime is 30918413059. The reversal of 30918413039 is 93031481903.
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 30918413039 - 216 = 30918347503 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30918412987 and 30918413005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30918413059) 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, 1322657 + ... + 1345829.
It is an arithmetic number, because the mean of its divisors is an integer number (3893579610).
Almost surely, 230918413039 is an apocalyptic number.
30918413039 is a deficient number, since it is larger than the sum of its proper divisors (230223841).
30918413039 is a wasteful number, since it uses less digits than its factorization.
30918413039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33049.
The product of its (nonzero) digits is 69984, while the sum is 41.
It can be divided in two parts, 309184 and 13039, that added together give a palindrome (322223).
The spelling of 30918413039 in words is "thirty billion, nine hundred eighteen million, four hundred thirteen thousand, thirty-nine".
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